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Parts of patch #8397 Typos corrected in comments and text outputs

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This commit is contained in:
Simon Goldschmidt 2014-09-18 21:15:13 +02:00
parent aa6f6bc3aa
commit 33237419c1
41 changed files with 115 additions and 115 deletions
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4
src/api/api_lib.c
View File

@ -644,7 +644,7 @@ netconn_send(struct netconn *conn, struct netbuf *buf)
* @param apiflags combination of following flags :
* - NETCONN_COPY: data will be copied into memory belonging to the stack
* - NETCONN_MORE: for TCP connection, PSH flag will be set on last segment sent
* - NETCONN_DONTBLOCK: only write the data if all dat can be written at once
* - NETCONN_DONTBLOCK: only write the data if all data can be written at once
* @param bytes_written pointer to a location that receives the number of written bytes
* @return ERR_OK if data was sent, any other err_t on error
*/
@ -708,7 +708,7 @@ netconn_write_partly(struct netconn *conn, const void *dataptr, size_t size,
}
/**
* Close ot shutdown a TCP netconn (doesn't delete it).
* Close or shutdown a TCP netconn (doesn't delete it).
*
* @param conn the TCP netconn to close or shutdown
* @param how fully close or only shutdown one side?

2
src/api/netbuf.c
View File

@ -186,7 +186,7 @@ netbuf_chain(struct netbuf *head, struct netbuf *tail)
* @param buf netbuf to get the data from
* @param dataptr pointer to a void pointer where to store the data pointer
* @param len pointer to an u16_t where the length of the data is stored
* @return ERR_OK if the information was retreived,
* @return ERR_OK if the information was retrieved,
* ERR_BUF on error.
*/
err_t

12
src/api/sockets.c
View File

@ -236,7 +236,7 @@ static const int err_to_errno_table[] = {
set_errno(sk->err); \
} while (0)
/* Forward delcaration of some functions */
/* Forward declaration of some functions */
static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
static void lwip_getsockopt_internal(void *arg);
static void lwip_setsockopt_internal(void *arg);
@ -483,7 +483,7 @@ lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
return -1;
}
/* check size, familiy and alignment of 'name' */
/* check size, family and alignment of 'name' */
LWIP_ERROR("lwip_bind: invalid address", (IS_SOCK_ADDR_LEN_VALID(namelen) &&
IS_SOCK_ADDR_TYPE_VALID(name) && IS_SOCK_ADDR_ALIGNED(name)),
sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
@ -558,7 +558,7 @@ lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
ipX_addr_t remote_addr;
u16_t remote_port;
/* check size, familiy and alignment of 'name' */
/* check size, family and alignment of 'name' */
LWIP_ERROR("lwip_connect: invalid address", IS_SOCK_ADDR_LEN_VALID(namelen) &&
IS_SOCK_ADDR_TYPE_VALID_OR_UNSPEC(name) && IS_SOCK_ADDR_ALIGNED(name),
sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
@ -1232,7 +1232,7 @@ lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
}
/* Call lwip_selscan again: there could have been events between
the last scan (whithout us on the list) and putting us on the list! */
the last scan (without us on the list) and putting us on the list! */
nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
if (!nready) {
/* Still none ready, just wait to be woken */
@ -1409,7 +1409,7 @@ again:
if (do_signal) {
scb->sem_signalled = 1;
/* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might
lead to the select thread taking itself off the list, invalidagin the semaphore. */
lead to the select thread taking itself off the list, invalidating the semaphore. */
sys_sem_signal(&scb->sem);
}
}
@ -1827,7 +1827,7 @@ lwip_getsockopt_internal(void *arg)
break;
case SO_ERROR:
/* only overwrite ERR_OK or tempoary errors */
/* only overwrite ERR_OK or temporary errors */
if ((sock->err == 0) || (sock->err == EINPROGRESS)) {
sock_set_errno(sock, err_to_errno(sock->conn->last_err));
}

2
src/core/dhcp.c
View File

@ -1330,7 +1330,7 @@ dhcp_option_hostname(struct dhcp *dhcp, struct netif *netif)
* Extract the DHCP message and the DHCP options, each into a contiguous
* piece of memory. As a DHCP message is variable sized by its options,
* and also allows overriding some fields for options, the easy approach
* is to first unfold the options into a conitguous piece of memory, and
* is to first unfold the options into a contiguous piece of memory, and
* use that further on.
*
*/

4
src/core/dns.c
View File

@ -476,7 +476,7 @@ dns_lookup_local(const char *hostname)
#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
/** Remove all entries from the local host-list for a specific hostname
* and/or IP addess
* and/or IP address
*
* @param hostname hostname for which entries shall be removed from the local
* host-list
@ -1115,7 +1115,7 @@ memerr:
*
* @param name the hostname that is to be queried
* @param hostnamelen length of the hostname
* @param found a callback founction to be called on success, failure or timeout
* @param found a callback function to be called on success, failure or timeout
* @param callback_arg argument to pass to the callback function
* @return @return a err_t return code.
*/

8
src/core/inet_chksum.c
View File

@ -162,7 +162,7 @@ lwip_standard_chksum(void *dataptr, int len)
sum += t;
/* Fold 32-bit sum to 16 bits
calling this twice is propably faster than if statements... */
calling this twice is probably faster than if statements... */
sum = FOLD_U32T(sum);
sum = FOLD_U32T(sum);
@ -245,7 +245,7 @@ lwip_standard_chksum(void *dataptr, int len)
sum += t; /* add end bytes */
/* Fold 32-bit sum to 16 bits
calling this twice is propably faster than if statements... */
calling this twice is probably faster than if statements... */
sum = FOLD_U32T(sum);
sum = FOLD_U32T(sum);
@ -288,7 +288,7 @@ inet_cksum_pseudo_base(struct pbuf *p, u8_t proto, u16_t proto_len, u32_t acc)
acc += (u32_t)htons(proto_len);
/* Fold 32-bit sum to 16 bits
calling this twice is propably faster than if statements... */
calling this twice is probably faster than if statements... */
acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc);
LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc));
@ -400,7 +400,7 @@ inet_cksum_pseudo_partial_base(struct pbuf *p, u8_t proto, u16_t proto_len,
acc += (u32_t)htons(proto_len);
/* Fold 32-bit sum to 16 bits
calling this twice is propably faster than if statements... */
calling this twice is probably faster than if statements... */
acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc);
LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc));

4
src/core/ipv4/autoip.c
View File

@ -342,14 +342,14 @@ autoip_start_probing(struct netif *netif)
ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr)));
/* time to wait to first probe, this is randomly
* choosen out of 0 to PROBE_WAIT seconds.
* chosen out of 0 to PROBE_WAIT seconds.
* compliant to RFC 3927 Section 2.2.1
*/
autoip->ttw = (u16_t)(LWIP_AUTOIP_RAND(netif) % (PROBE_WAIT * AUTOIP_TICKS_PER_SECOND));
/*
* if we tried more then MAX_CONFLICTS we must limit our rate for
* accquiring and probing address
* acquiring and probing address
* compliant to RFC 3927 Section 2.2.1
*/
if (autoip->tried_llipaddr > MAX_CONFLICTS) {

4
src/core/ipv4/icmp.c
View File

@ -119,7 +119,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
accepted = 0;
}
#endif /* LWIP_BROADCAST_PING */
/* broadcast or multicast destination address not acceptd? */
/* broadcast or multicast destination address not accepted? */
if (!accepted) {
LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: Not echoing to multicast or broadcast pings\n"));
ICMP_STATS_INC(icmp.err);
@ -219,7 +219,7 @@ icmp_input(struct pbuf *p, struct netif *inp)
LWIP_ASSERT("Can't move over header in packet", 0);
} else {
err_t ret;
/* send an ICMP packet, src addr is the dest addr of the curren packet */
/* send an ICMP packet, src addr is the dest addr of the current packet */
ret = ip_output_if(p, ip_current_dest_addr(), IP_HDRINCL,
ICMP_TTL, 0, IP_PROTO_ICMP, inp);
if (ret != ERR_OK) {

2
src/core/ipv4/igmp.c
View File

@ -561,7 +561,7 @@ igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr)
} else {
/* Return an error even if some network interfaces are joined */
/** @todo undo any other netif already joined */
LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: Not enought memory to join to group\n"));
LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: Not enough memory to join to group\n"));
return ERR_MEM;
}
}

4
src/core/ipv4/ip4.c
View File

@ -264,10 +264,10 @@ ip_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp)
#if IP_FRAG
ip_frag(p, netif, ip_current_dest_addr());
#else /* IP_FRAG */
/* @todo: send ICMP Destination Unreacheable code 13 "Communication administratively prohibited"? */
/* @todo: send ICMP Destination Unreachable code 13 "Communication administratively prohibited"? */
#endif /* IP_FRAG */
} else {
/* send ICMP Destination Unreacheable code 4: "Fragmentation Needed and DF Set" */
/* send ICMP Destination Unreachable code 4: "Fragmentation Needed and DF Set" */
icmp_dest_unreach(p, ICMP_DUR_FRAG);
}
return;

6
src/core/ipv4/ip4_addr.c
View File

@ -123,7 +123,7 @@ ip4_addr_netmask_valid(u32_t netmask)
* Ascii internet address interpretation routine.
* The value returned is in network order.
*
* @param cp IP address in ascii represenation (e.g. "127.0.0.1")
* @param cp IP address in ascii representation (e.g. "127.0.0.1")
* @return ip address in network order
*/
u32_t
@ -144,7 +144,7 @@ ipaddr_addr(const char *cp)
* This replaces inet_addr, the return value from which
* cannot distinguish between failure and a local broadcast address.
*
* @param cp IP address in ascii represenation (e.g. "127.0.0.1")
* @param cp IP address in ascii representation (e.g. "127.0.0.1")
* @param addr pointer to which to save the ip address in network order
* @return 1 if cp could be converted to addr, 0 on failure
*/
@ -255,7 +255,7 @@ ipaddr_aton(const char *cp, ip_addr_t *addr)
*
* @param addr ip address in network order to convert
* @return pointer to a global static (!) buffer that holds the ASCII
* represenation of addr
* representation of addr
*/
char *
ipaddr_ntoa(const ip_addr_t *addr)

2
src/core/ipv4/ip_frag.c
View File

@ -588,7 +588,7 @@ ip_reass(struct pbuf *p)
while(r != NULL) {
iprh = (struct ip_reass_helper*)r->payload;
/* hide the ip header for every succeding fragment */
/* hide the ip header for every succeeding fragment */
pbuf_header(r, -IP_HLEN);
pbuf_cat(p, r);
r = iprh->next_pbuf;

4
src/core/ipv6/ip6_addr.c
View File

@ -65,7 +65,7 @@ const ip6_addr_t ip6_addr_any = { { 0ul, 0ul, 0ul, 0ul } };
* of an IPv6 address and convert to a binary address.
* Returns 1 if the address is valid, 0 if not.
*
* @param cp IPv6 address in ascii represenation (e.g. "FF01::1")
* @param cp IPv6 address in ascii representation (e.g. "FF01::1")
* @param addr pointer to which to save the ip address in network order
* @return 1 if cp could be converted to addr, 0 on failure
*/
@ -159,7 +159,7 @@ ip6addr_aton(const char *cp, ip6_addr_t *addr)
*
* @param addr ip6 address in network order to convert
* @return pointer to a global static (!) buffer that holds the ASCII
* represenation of addr
* representation of addr
*/
char *
ip6addr_ntoa(const ip6_addr_t *addr)

4
src/core/ipv6/ip6_frag.c
View File

@ -482,7 +482,7 @@ ip6_reass(struct pbuf *p)
/* Save next helper struct (will be hidden in next step). */
iprh_tmp = (struct ip6_reass_helper*) iprh->next_pbuf->payload;
/* hide the fragment header for every succeding fragment */
/* hide the fragment header for every succeeding fragment */
pbuf_header(iprh->next_pbuf, -IP6_FRAG_HLEN);
pbuf_cat(ipr->p, iprh->next_pbuf);
}
@ -501,7 +501,7 @@ ip6_reass(struct pbuf *p)
/* Set payload length in ip header. */
ipr->iphdr->_plen = htons(ipr->datagram_len);
/* Get the furst pbuf. */
/* Get the first pbuf. */
p = ipr->p;
/* Restore Fragment Header in first pbuf. Mark as "single fragment"

2
src/core/ipv6/nd6.c
View File

@ -698,7 +698,7 @@ nd6_tmr(void)
default_router_list[i].invalidation_timer -= ND6_TMR_INTERVAL / 1000;
}
if (default_router_list[i].invalidation_timer < ND6_TMR_INTERVAL / 1000) {
/* Less than 1 second remainig. Clear this entry. */
/* Less than 1 second remaining. Clear this entry. */
default_router_list[i].neighbor_entry->isrouter = 0;
default_router_list[i].neighbor_entry = NULL;
default_router_list[i].invalidation_timer = 0;

4
src/core/mem.c
View File

@ -151,7 +151,7 @@ mem_free(void *rmem)
/**
* The heap is made up as a list of structs of this type.
* This does not have to be aligned since for getting its size,
* we only use the macro SIZEOF_STRUCT_MEM, which automatically alignes.
* we only use the macro SIZEOF_STRUCT_MEM, which automatically aligns.
*/
struct mem {
/** index (-> ram[next]) of the next struct */
@ -579,7 +579,7 @@ mem_malloc(mem_size_t size)
/* (a mem2 struct does no fit into the user data space of mem and mem->next will always
* be used at this point: if not we have 2 unused structs in a row, plug_holes should have
* take care of this).
* -> near fit or excact fit: do not split, no mem2 creation
* -> near fit or exact fit: do not split, no mem2 creation
* also can't move mem->next directly behind mem, since mem->next
* will always be used at this point!
*/

14
src/core/pbuf.c
View File

@ -274,7 +274,7 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
PBUF_POOL_IS_EMPTY();
/* free chain so far allocated */
pbuf_free(p);
/* bail out unsuccesfully */
/* bail out unsuccessfully */
return NULL;
}
q->type = type;
@ -499,7 +499,7 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
* @param header_size_increment Number of bytes to increment header size which
* increases the size of the pbuf. New space is on the front.
* (Using a negative value decreases the header size.)
* If hdr_size_inc is 0, this function does nothing and returns succesful.
* If hdr_size_inc is 0, this function does nothing and returns successful.
*
* PBUF_ROM and PBUF_REF type buffers cannot have their sizes increased, so
* the call will fail. A check is made that the increase in header size does
@ -552,10 +552,10 @@ pbuf_header(struct pbuf *p, s16_t header_size_increment)
(void *)p->payload, (void *)(p + 1)));
/* restore old payload pointer */
p->payload = payload;
/* bail out unsuccesfully */
/* bail out unsuccessfully */
return 1;
}
/* pbuf types refering to external payloads? */
/* pbuf types referring to external payloads? */
} else if (type == PBUF_REF || type == PBUF_ROM) {
/* hide a header in the payload? */
if ((header_size_increment < 0) && (increment_magnitude <= p->len)) {
@ -563,7 +563,7 @@ pbuf_header(struct pbuf *p, s16_t header_size_increment)
p->payload = (u8_t *)p->payload - header_size_increment;
} else {
/* cannot expand payload to front (yet!)
* bail out unsuccesfully */
* bail out unsuccessfully */
return 1;
}
} else {
@ -962,7 +962,7 @@ pbuf_copy_partial(struct pbuf *buf, void *dataptr, u16_t len, u16_t offset)
* smaller than 64K.
* 'packet queues' are not supported by this function.
*
* @param p the pbuf queue to be splitted
* @param p the pbuf queue to be split
* @param rest pointer to store the remainder (after the first 64K)
*/
void pbuf_split_64k(struct pbuf *p, struct pbuf **rest)
@ -1217,7 +1217,7 @@ pbuf_put_at(struct pbuf* p, u16_t offset, u8_t data)
/** Compare pbuf contents at specified offset with memory s2, both of length n
*
* @param p pbuf to compare
* @param offset offset into p at wich to start comparing
* @param offset offset into p at which to start comparing
* @param s2 buffer to compare
* @param n length of buffer to compare
* @return zero if equal, nonzero otherwise

2
src/core/raw.c
View File

@ -164,7 +164,7 @@ raw_input(struct pbuf *p, struct netif *inp)
* bind to all local interfaces.
*
* @return lwIP error code.
* - ERR_OK. Successful. No error occured.
* - ERR_OK. Successful. No error occurred.
* - ERR_USE. The specified IP address is already bound to by
* another RAW PCB.
*

14
src/core/snmp/asn1_dec.c
View File

@ -46,7 +46,7 @@
* @param p points to a pbuf holding an ASN1 coded type field
* @param ofs points to the offset within the pbuf chain of the ASN1 coded type field
* @param type return ASN1 type
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type)
@ -78,8 +78,8 @@ snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type)
* @param p points to a pbuf holding an ASN1 coded length
* @param ofs points to the offset within the pbuf chain of the ASN1 coded length
* @param octets_used returns number of octets used by the length code
* @param length return host order length, upto 64k
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @param length return host order length, up to 64k
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length)
@ -230,7 +230,7 @@ snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length
* @param ofs points to the offset within the pbuf chain of the ASN1 coded integer
* @param len length of the coded integer field
* @param value return host order integer
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*
* @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
* as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
@ -325,7 +325,7 @@ snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value)
* @param ofs points to the offset within the pbuf chain of the ASN1 coded integer
* @param len length of the coded integer field
* @param value return host order integer
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*
* @note ASN coded integers are _always_ signed!
*/
@ -423,7 +423,7 @@ snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value)
* @param ofs points to the offset within the pbuf chain of the ASN1 coded object identifier
* @param len length of the coded object identifier
* @param oid return object identifier struct
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid)
@ -590,7 +590,7 @@ snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid)
* @param len length of the coded raw data (zero is valid, e.g. empty string!)
* @param raw_len length of the raw return value
* @param raw return raw bytes
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw)

12
src/core/snmp/asn1_enc.c
View File

@ -175,7 +175,7 @@ snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed)
* @param p points to output pbuf to encode value into
* @param ofs points to the offset within the pbuf chain
* @param type input ASN1 type
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type)
@ -207,7 +207,7 @@ snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type)
* @param p points to output pbuf to encode length into
* @param ofs points to the offset within the pbuf chain
* @param length is the host order length to be encoded
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length)
@ -300,7 +300,7 @@ snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length)
* @param ofs points to the offset within the pbuf chain
* @param octets_needed encoding length (from snmp_asn1_enc_u32t_cnt())
* @param value is the host order u32_t value to be encoded
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*
* @see snmp_asn1_enc_u32t_cnt()
*/
@ -376,7 +376,7 @@ snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value)
* @param ofs points to the offset within the pbuf chain
* @param octets_needed encoding length (from snmp_asn1_enc_s32t_cnt())
* @param value is the host order s32_t value to be encoded
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*
* @see snmp_asn1_enc_s32t_cnt()
*/
@ -432,7 +432,7 @@ snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value)
* @param ofs points to the offset within the pbuf chain
* @param ident_len object identifier array length
* @param ident points to object identifier array
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident)
@ -556,7 +556,7 @@ snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident)
* @param ofs points to the offset within the pbuf chain
* @param raw_len raw data length
* @param raw points raw data
* @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw)

10
src/core/snmp/msg_in.c
View File

@ -160,7 +160,7 @@ snmp_ok_response(struct snmp_msg_pstat *msg_ps)
* Service an internal or external event for SNMP GET.
*
* @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
* @param msg_ps points to the assosicated message process state
* @param msg_ps points to the associated message process state
*/
static void
snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
@ -209,7 +209,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* move name from invb to outvb */
vb->ident = msg_ps->vb_ptr->ident;
vb->ident_len = msg_ps->vb_ptr->ident_len;
/* ensure this memory is refereced once only */
/* ensure this memory is referenced once only */
msg_ps->vb_ptr->ident = NULL;
msg_ps->vb_ptr->ident_len = 0;
@ -322,7 +322,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
/* move name from invb to outvb */
vb->ident = msg_ps->vb_ptr->ident;
vb->ident_len = msg_ps->vb_ptr->ident_len;
/* ensure this memory is refereced once only */
/* ensure this memory is referenced once only */
msg_ps->vb_ptr->ident = NULL;
msg_ps->vb_ptr->ident_len = 0;
@ -391,7 +391,7 @@ snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
* Service an internal or external event for SNMP GETNEXT.
*
* @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
* @param msg_ps points to the assosicated message process state
* @param msg_ps points to the associated message process state
*/
static void
snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
@ -536,7 +536,7 @@ snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
* Service an internal or external event for SNMP SET.
*
* @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
* @param msg_ps points to the assosicated message process state
* @param msg_ps points to the associated message process state
*/
static void
snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)

8
src/core/snmp/msg_out.c
View File

@ -209,7 +209,7 @@ snmp_send_response(struct snmp_msg_pstat *m_stat)
* @return ERR_OK when success, ERR_MEM if we're out of memory
*
* @note the caller is responsible for filling in outvb in the trap_msg
* @note the use of the enterpise identifier field
* @note the use of the enterprise identifier field
* is per RFC1215.
* Use .iso.org.dod.internet.mgmt.mib-2.snmp for generic traps
* and .iso.org.dod.internet.private.enterprises.yourenterprise
@ -316,7 +316,7 @@ snmp_authfail_trap(void)
*
* @param vb_len varbind-list length
* @param rhl points to returned header lengths
* @return the required lenght for encoding the response header
* @return the required length for encoding the response header
*/
static u16_t
snmp_resp_header_sum(struct snmp_msg_pstat *m_stat, u16_t vb_len)
@ -363,7 +363,7 @@ snmp_resp_header_sum(struct snmp_msg_pstat *m_stat, u16_t vb_len)
*
* @param vb_len varbind-list length
* @param thl points to returned header lengths
* @return the required lenght for encoding the trap header
* @return the required length for encoding the trap header
*/
static u16_t
snmp_trap_header_sum(struct snmp_msg_trap *m_trap, u16_t vb_len)
@ -418,7 +418,7 @@ snmp_trap_header_sum(struct snmp_msg_trap *m_trap, u16_t vb_len)
* annotates lengths in varbind for second encoding pass.
*
* @param root points to the root of the variable binding list
* @return the required lenght for encoding the variable bindings
* @return the required length for encoding the variable bindings
*/
static u16_t
snmp_varbind_list_sum(struct snmp_varbind_root *root)

12
src/core/tcp.c
View File

@ -425,7 +425,7 @@ tcp_abort(struct tcp_pcb *pcb)
}
/**
* Binds the connection to a local portnumber and IP address. If the
* Binds the connection to a local port number and IP address. If the
* IP address is not given (i.e., ipaddr == NULL), the IP address of
* the outgoing network interface is used instead.
*
@ -1509,11 +1509,11 @@ tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent)
/**
* Used to specify the function that should be called when a fatal error
* has occured on the connection.
* has occurred on the connection.
*
* @param pcb tcp_pcb to set the err callback
* @param err callback function to call for this pcb when a fatal error
* has occured on the connection
* has occurred on the connection
*/
void
tcp_err(struct tcp_pcb *pcb, tcp_err_fn err)
@ -1679,8 +1679,8 @@ tcp_next_iss(void)
#if TCP_CALCULATE_EFF_SEND_MSS
/**
* Calcluates the effective send mss that can be used for a specific IP address
* by using ip_route to determin the netif used to send to the address and
* Calculates the effective send mss that can be used for a specific IP address
* by using ip_route to determine the netif used to send to the address and
* calculating the minimum of TCP_MSS and that netif's mtu (if set).
*/
u16_t
@ -1711,7 +1711,7 @@ tcp_eff_send_mss_impl(u16_t sendmss, ipX_addr_t *dest
if (mtu != 0) {
mss_s = mtu - IP_HLEN - TCP_HLEN;
#if LWIP_IPV6
/* for IPv6, substract the difference in header size */
/* for IPv6, subtract the difference in header size */
mss_s -= (IP6_HLEN - IP_HLEN);
#endif /* LWIP_IPV6 */
/* RFC 1122, chap 4.2.2.6:

10
src/core/tcp_in.c
View File

@ -757,7 +757,7 @@ tcp_process(struct tcp_pcb *pcb)
pcb->nrtx = 0;
}
/* Call the user specified function to call when sucessfully
/* Call the user specified function to call when successfully
* connected. */
TCP_EVENT_CONNECTED(pcb, ERR_OK, err);
if (err == ERR_ABRT) {
@ -1097,7 +1097,7 @@ tcp_receive(struct tcp_pcb *pcb)
ntohl(pcb->unacked->tcphdr->seqno) + TCP_TCPLEN(pcb->unacked): 0));
/* Remove segment from the unacknowledged list if the incoming
ACK acknowlegdes them. */
ACK acknowledges them. */
while (pcb->unacked != NULL &&
TCP_SEQ_LEQ(ntohl(pcb->unacked->tcphdr->seqno) +
TCP_TCPLEN(pcb->unacked), ackno)) {
@ -1217,7 +1217,7 @@ tcp_receive(struct tcp_pcb *pcb)
/* If the incoming segment contains data, we must process it
further unless the pcb already received a FIN.
(RFC 793, chapeter 3.9, "SEGMENT ARRIVES" in states CLOSE-WAIT, CLOSING,
(RFC 793, chapter 3.9, "SEGMENT ARRIVES" in states CLOSE-WAIT, CLOSING,
LAST-ACK and TIME-WAIT: "Ignore the segment text.") */
if ((tcplen > 0) && (pcb->state < CLOSE_WAIT)) {
/* This code basically does three things:
@ -1518,7 +1518,7 @@ tcp_receive(struct tcp_pcb *pcb)
}
break;
} else {
/* Either the lenghts are the same or the incoming
/* Either the lengths are the same or the incoming
segment was smaller than the old one; in either
case, we ditch the incoming segment. */
break;
@ -1628,7 +1628,7 @@ tcp_receive(struct tcp_pcb *pcb)
#endif /* TCP_QUEUE_OOSEQ */
}
} else {
/* The incoming segment is not withing the window. */
/* The incoming segment is not within the window. */
tcp_send_empty_ack(pcb);
}
} else {

2
src/core/timers.c
View File

@ -513,7 +513,7 @@ sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg)
}
if (time_needed == SYS_ARCH_TIMEOUT) {
/* If time == SYS_ARCH_TIMEOUT, a timeout occured before a message
/* If time == SYS_ARCH_TIMEOUT, a timeout occurred before a message
could be fetched. We should now call the timeout handler and
deallocate the memory allocated for the timeout. */
tmptimeout = next_timeout;

12
src/core/udp.c
View File

@ -210,7 +210,7 @@ udp_input(struct pbuf *p, struct netif *inp)
/* all packets for DHCP_CLIENT_PORT not coming from DHCP_SERVER_PORT are dropped! */
if (src == DHCP_SERVER_PORT) {
if ((inp->dhcp != NULL) && (inp->dhcp->pcb != NULL)) {
/* accept the packe if
/* accept the packet if
(- broadcast or directed to us) -> DHCP is link-layer-addressed, local ip is always ANY!
- inp->dhcp->pcb->remote == ANY or iphdr->src
(no need to check for IPv6 since the dhcp struct always uses IPv4) */
@ -495,7 +495,7 @@ chkerr:
* automatically be bound to a random port.
*
* @return lwIP error code.
* - ERR_OK. Successful. No error occured.
* - ERR_OK. Successful. No error occurred.
* - ERR_MEM. Out of memory.
* - ERR_RTE. Could not find route to destination address.
* - More errors could be returned by lower protocol layers.
@ -849,7 +849,7 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
err = ipX_output_if_src(PCB_ISIPV6(pcb), q, src_ip, dst_ip, pcb->ttl, pcb->tos, ip_proto, netif);
NETIF_SET_HWADDRHINT(netif, NULL);
/* TODO: must this be increased even if error occured? */
/* TODO: must this be increased even if error occurred? */
snmp_inc_udpoutdatagrams();
/* did we chain a separate header pbuf earlier? */
@ -877,7 +877,7 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
* ipaddr & port are expected to be in the same byte order as in the pcb.
*
* @return lwIP error code.
* - ERR_OK. Successful. No error occured.
* - ERR_OK. Successful. No error occurred.
* - ERR_USE. The specified ipaddr and port are already bound to by
* another UDP PCB.
*
@ -905,7 +905,7 @@ udp_bind(struct udp_pcb *pcb, ip_addr_t *ipaddr, u16_t port)
}
/* By default, we don't allow to bind to a port that any other udp
PCB is alread bound to, unless *all* PCBs with that port have tha
PCB is already bound to, unless *all* PCBs with that port have tha
REUSEADDR flag set. */
#if SO_REUSE
else if (!ip_get_option(pcb, SOF_REUSEADDR) &&
@ -1047,7 +1047,7 @@ udp_disconnect(struct udp_pcb *pcb)
*
* This callback will be called when receiving a datagram for the pcb.
*
* @param pcb the pcb for wich to set the recv callback
* @param pcb the pcb for which to set the recv callback
* @param recv function pointer of the callback function
* @param recv_arg additional argument to pass to the callback function
*/

2
src/include/lwip/api.h
View File

@ -172,7 +172,7 @@ struct netconn {
} pcb;
/** the last error this netconn had */
err_t last_err;
/** sem that is used to synchroneously execute functions in the core context */
/** sem that is used to synchronously execute functions in the core context */
sys_sem_t op_completed;
/** mbox where received packets are stored until they are fetched
by the netconn application thread (can grow quite big) */

2
src/include/lwip/dhcp.h
View File

@ -170,7 +170,7 @@ void dhcp_fine_tmr(void);
/** not yet implemented #define DHCP_RELEASING 11 */
#define DHCP_BACKING_OFF 12
/** AUTOIP cooperatation flags */
/** AUTOIP cooperation flags */
#define DHCP_AUTOIP_COOP_STATE_OFF 0
#define DHCP_AUTOIP_COOP_STATE_ON 1

2
src/include/lwip/netdb.h
View File

@ -96,7 +96,7 @@ struct addrinfo {
#define NETDB_ELEM_SIZE (sizeof(struct addrinfo) + sizeof(struct sockaddr_in) + DNS_MAX_NAME_LENGTH + 1)
#if LWIP_DNS_API_DECLARE_H_ERRNO
/* application accessable error code set by the DNS API functions */
/* application accessible error code set by the DNS API functions */
extern int h_errno;
#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/

20
src/include/lwip/opt.h
View File

@ -40,7 +40,7 @@
/*
* Include user defined options first. Anything not defined in these files
* will be set to standard values. Override anything you dont like!
* will be set to standard values. Override anything you don't like!
*/
#include "lwipopts.h"
#include "lwip/debug.h"
@ -194,7 +194,7 @@
* MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
* that defines additional pools beyond the "standard" ones required
* by lwIP. If you set this to 1, you must have lwippools.h in your
* inlude path somewhere.
* include path somewhere.
*/
#ifndef MEMP_USE_CUSTOM_POOLS
#define MEMP_USE_CUSTOM_POOLS 0
@ -254,7 +254,7 @@
#endif
/**
* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections.
* (requires the LWIP_TCP option)
*/
#ifndef MEMP_NUM_TCP_PCB
@ -297,7 +297,7 @@
#endif
/**
* MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
* MEMP_NUM_ARP_QUEUE: the number of simultaneously queued outgoing
* packets (pbufs) that are waiting for an ARP request (to resolve
* their destination address) to finish.
* (requires the ARP_QUEUEING option)
@ -308,7 +308,7 @@
/**
* MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
* can be members et the same time (one per netif - allsystems group -, plus one
* can be members at the same time (one per netif - allsystems group -, plus one
* per netif membership).
* (requires the LWIP_IGMP option)
*/
@ -317,7 +317,7 @@
#endif
/**
* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
* MEMP_NUM_SYS_TIMEOUT: the number of simultaneously active timeouts.
* (requires NO_SYS==0)
* The default number of timeouts is calculated here for all enabled modules.
* The formula expects settings to be either '0' or '1'.
@ -823,7 +823,7 @@
#endif
/**
* Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
* Only allow SNMP write actions that are 'safe' (e.g. disabling netifs is not
* a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
* Unsafe requests are disabled by default!
*/
@ -1175,7 +1175,7 @@
/**
* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
* designed to accomodate single full size TCP frame in one pbuf, including
* designed to accommodate single full size TCP frame in one pbuf, including
* TCP_MSS, IP header, and link header.
*/
#ifndef PBUF_POOL_BUFSIZE
@ -1204,7 +1204,7 @@
/**
* LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
* changes its up/down status (i.e., due to DHCP IP acquistion)
* changes its up/down status (i.e., due to DHCP IP acquisition)
*/
#ifndef LWIP_NETIF_STATUS_CALLBACK
#define LWIP_NETIF_STATUS_CALLBACK 0
@ -1460,7 +1460,7 @@
#define LWIP_NETCONN 1
#endif
/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout to create
* timers running in tcpip_thread from another thread.
*/
#ifndef LWIP_TCPIP_TIMEOUT

2
src/include/lwip/snmp_structs.h
View File

@ -202,7 +202,7 @@ struct mib_external_node
/* additional struct members */
/** points to an external (in memory) record of some sort of addressing
information, passed to and interpreted by the funtions below */
information, passed to and interpreted by the functions below */
void* addr_inf;
/** tree levels under this node */
u8_t tree_levels;

2
src/include/lwip/sockets.h
View File

@ -126,7 +126,7 @@ struct lwip_setgetsockopt_data {
void *optval;
/** size of *optval */
socklen_t *optlen;
/** if an error occures, it is temporarily stored here */
/** if an error occurs, it is temporarily stored here */
err_t err;
};

8
src/include/lwip/sys.h
View File

@ -152,7 +152,7 @@ void sys_sem_free(sys_sem_t *sem);
/** Wait for a semaphore - forever/no timeout */
#define sys_sem_wait(sem) sys_arch_sem_wait(sem, 0)
#ifndef sys_sem_valid
/** Check if a sempahore is valid/allocated: return 1 for valid, 0 for invalid */
/** Check if a semaphore is valid/allocated: return 1 for valid, 0 for invalid */
int sys_sem_valid(sys_sem_t *sem);
#endif
#ifndef sys_sem_set_invalid
@ -169,7 +169,7 @@ void sys_msleep(u32_t ms); /* only has a (close to) 1 jiffy resolution. */
/** Create a new mbox of specified size
* @param mbox pointer to the mbox to create
* @param size (miminum) number of messages in this mbox
* @param size (minimum) number of messages in this mbox
* @return ERR_OK if successful, another err_t otherwise */
err_t sys_mbox_new(sys_mbox_t *mbox, int size);
/** Post a message to an mbox - may not fail
@ -189,7 +189,7 @@ err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg);
or SYS_ARCH_TIMEOUT on timeout
* The returned time has to be accurate to prevent timer jitter! */
u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout);
/* Allow port to override with a macro, e.g. special timout for sys_arch_mbox_fetch() */
/* Allow port to override with a macro, e.g. special timeout for sys_arch_mbox_fetch() */
#ifndef sys_arch_mbox_tryfetch
/** Wait for a new message to arrive in the mbox
* @param mbox mbox to get a message from
@ -224,7 +224,7 @@ sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg,
#endif /* NO_SYS */
/* sys_init() must be called before anthing else. */
/* sys_init() must be called before anything else. */
void sys_init(void);
#ifndef sys_jiffies

2
src/include/lwip/tcp.h
View File

@ -157,7 +157,7 @@ enum tcp_state {
* @param pcb a new tcp_pcb that now is connected
* @param err an error argument (TODO: that is current always ERR_OK?)
* @return ERR_OK: accept the new connection,
* any other err_t abortsthe new connection
* any other err_t aborts the new connection
*/
#define DEF_ACCEPT_CALLBACK tcp_accept_fn accept;
#else /* LWIP_CALLBACK_API */

4
src/include/lwip/tcp_impl.h
View File

@ -188,7 +188,7 @@ PACK_STRUCT_END
/** Flags used on input processing, not on pcb->flags
*/
#define TF_RESET (u8_t)0x08U /* Connection was reset. */
#define TF_CLOSED (u8_t)0x10U /* Connection was sucessfully closed. */
#define TF_CLOSED (u8_t)0x10U /* Connection was successfully closed. */
#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */
@ -277,7 +277,7 @@ PACK_STRUCT_END
/* This structure represents a TCP segment on the unsent, unacked and ooseq queues */
struct tcp_seg {
struct tcp_seg *next; /* used when putting segements on a queue */
struct tcp_seg *next; /* used when putting segments on a queue */
struct pbuf *p; /* buffer containing data + TCP header */
u16_t len; /* the TCP length of this segment */
#if TCP_OVERSIZE_DBGCHECK

2
src/include/lwip/udp.h
View File

@ -139,7 +139,7 @@ struct udp_pcb {
/** user-supplied argument for the recv callback */
void *recv_arg;
};
/* udp_pcbs export for exernal reference (e.g. SNMP agent) */
/* udp_pcbs export for external reference (e.g. SNMP agent) */
extern struct udp_pcb *udp_pcbs;
/* The following functions is the application layer interface to the

2
src/include/netif/slipif.h
View File

@ -47,7 +47,7 @@
/** Set this to 1 to enable functions to pass in RX bytes from ISR context.
* If enabled, slipif_received_byte[s]() process incoming bytes and put assembled
* packets on a queue, which is fed into lwIP from slipif_poll().
* If disabled, slipif_poll() polls the serila line (using sio_tryread()).
* If disabled, slipif_poll() polls the serial line (using sio_tryread()).
*/
#ifndef SLIP_RX_FROM_ISR
#define SLIP_RX_FROM_ISR 0

8
src/netif/etharp.c
View File

@ -455,7 +455,7 @@ etharp_send_ip(struct netif *netif, struct pbuf *p, struct eth_addr *src, struct
* @param flags @see definition of ETHARP_FLAG_*
*
* @return
* - ERR_OK Succesfully updated ARP cache.
* - ERR_OK Successfully updated ARP cache.
* - ERR_MEM If we could not add a new ARP entry when ETHARP_FLAG_TRY_HARD was set.
* - ERR_ARG Non-unicast address given, those will not appear in ARP cache.
*
@ -752,7 +752,7 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
#if LWIP_AUTOIP
/* We have to check if a host already has configured our random
* created link local address and continously check if there is
* created link local address and continuously check if there is
* a host with this IP-address so we can detect collisions */
autoip_arp_reply(netif, hdr);
#endif /* LWIP_AUTOIP */
@ -784,7 +784,7 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
case PP_HTONS(ARP_REQUEST):
/* ARP request. If it asked for our address, we send out a
* reply. In any case, we time-stamp any existing ARP entry,
* and possiby send out an IP packet that was queued on it. */
* and possibly send out an IP packet that was queued on it. */
LWIP_DEBUGF (ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP request\n"));
/* ARP request for our address? */
@ -1340,7 +1340,7 @@ etharp_request(struct netif *netif, ip_addr_t *ipaddr)
* calling ip_input and passing ARP frames through etharp in ethernetif_input,
* the ARP cache is protected from concurrent access.
*
* @param p the recevied packet, p->payload pointing to the ethernet header
* @param p the received packet, p->payload pointing to the ethernet header
* @param netif the network interface on which the packet was received
*/
err_t

2
src/netif/ethernetif.c
View File

@ -116,7 +116,7 @@ low_level_init(struct netif *netif)
*
* @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
* strange results. You might consider waiting for space in the DMA queue
* to become availale since the stack doesn't retry to send a packet
* to become available since the stack doesn't retry to send a packet
* dropped because of memory failure (except for the TCP timers).
*/

2
src/netif/ppp/vj.c
View File

@ -1,5 +1,5 @@
/*
* Routines to compress and uncompess tcp packets (for transmission
* Routines to compress and uncompress tcp packets (for transmission
* over low speed serial lines.
*
* Copyright (c) 1989 Regents of the University of California.

6
src/netif/slipif.c
View File

@ -107,7 +107,7 @@ struct slipif_priv {
* Uses the serial layer's sio_send()
*
* @param netif the lwip network interface structure for this slipif
* @param p the pbuf chaing packet to send
* @param p the pbuf chain packet to send
* @return always returns ERR_OK since the serial layer does not provide return values
*/
static err_t
@ -161,7 +161,7 @@ slipif_output(struct netif *netif, struct pbuf *p)
* Uses the serial layer's sio_send()
*
* @param netif the lwip network interface structure for this slipif
* @param p the pbuf chaing packet to send
* @param p the pbuf chain packet to send
* @param ipaddr the ip address to send the packet to (not used for slipif)
* @return always returns ERR_OK since the serial layer does not provide return values
*/
@ -179,7 +179,7 @@ slipif_output_v4(struct netif *netif, struct pbuf *p, ip_addr_t *ipaddr)
* Uses the serial layer's sio_send()
*
* @param netif the lwip network interface structure for this slipif
* @param p the pbuf chaing packet to send
* @param p the pbuf chain packet to send
* @param ipaddr the ip address to send the packet to (not used for slipif)
* @return always returns ERR_OK since the serial layer does not provide return values
*/