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tcp_out: make some more pointers const

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This commit is contained in:
goldsimon 2018-02-01 09:18:24 +01:00
parent 9fb86f6e4b
commit 61671d6df0
1 changed files with 6 additions and 6 deletions
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12
src/core/tcp_out.c
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@ -144,7 +144,7 @@ tcp_route(const struct tcp_pcb *pcb, const ip_addr_t *src, const ip_addr_t *dst)
* p is freed on failure.
*/
static struct tcp_seg *
tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t hdrflags, u32_t seqno, u8_t optflags)
tcp_create_segment(const struct tcp_pcb *pcb, struct pbuf *p, u8_t hdrflags, u32_t seqno, u8_t optflags)
{
struct tcp_seg *seg;
u8_t optlen = LWIP_TCP_OPT_LENGTH(optflags);
@ -207,7 +207,7 @@ tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t hdrflags, u32_t seq
#if TCP_OVERSIZE
static struct pbuf *
tcp_pbuf_prealloc(pbuf_layer layer, u16_t length, u16_t max_length,
u16_t *oversize, struct tcp_pcb *pcb, u8_t apiflags,
u16_t *oversize, const struct tcp_pcb *pcb, u8_t apiflags,
u8_t first_seg)
{
struct pbuf *p;
@ -1104,7 +1104,7 @@ tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags)
* @param opts option pointer where to store the timestamp option
*/
static void
tcp_build_timestamp_option(struct tcp_pcb *pcb, u32_t *opts)
tcp_build_timestamp_option(const struct tcp_pcb *pcb, u32_t *opts)
{
/* Pad with two NOP options to make everything nicely aligned */
opts[0] = PP_HTONL(0x0101080A);
@ -1125,7 +1125,7 @@ tcp_build_timestamp_option(struct tcp_pcb *pcb, u32_t *opts)
* @return the number of SACK ranges that can be used
*/
static u8_t
tcp_get_num_sacks(struct tcp_pcb *pcb, u8_t optlen)
tcp_get_num_sacks(const struct tcp_pcb *pcb, u8_t optlen)
{
u8_t num_sacks = 0;
@ -1153,7 +1153,7 @@ tcp_get_num_sacks(struct tcp_pcb *pcb, u8_t optlen)
* @param num_sacks the number of SACKs to store
*/
static void
tcp_build_sack_option(struct tcp_pcb *pcb, u32_t *opts, u8_t num_sacks)
tcp_build_sack_option(const struct tcp_pcb *pcb, u32_t *opts, u8_t num_sacks)
{
u8_t i;
@ -1385,7 +1385,7 @@ output_done:
* @return 1 if ref != 1, 0 if ref == 1
*/
static int
tcp_output_segment_busy(struct tcp_seg *seg)
tcp_output_segment_busy(const struct tcp_seg *seg)
{
/* We only need to check the first pbuf here:
If a pbuf is queued for transmission, a driver calls pbuf_ref(),