diff options
Diffstat (limited to 'icmp.c')
| -rw-r--r-- | icmp.c | 19 |
1 files changed, 2 insertions, 17 deletions
@@ -45,9 +45,6 @@ #define ICMP_ECHO_TIMEOUT 60 /* s, timeout for ICMP socket activity */ #define ICMP_NUM_IDS (1U << 16) -/* Indexed by ICMP echo identifier */ -static struct icmp_ping_flow *icmp_id_map[IP_VERSIONS][ICMP_NUM_IDS]; - /** * ping_at_sidx() - Get ping specific flow at given sidx * @sidx: Flow and side to retrieve @@ -153,22 +150,14 @@ unexpected: static void icmp_ping_close(const struct ctx *c, const struct icmp_ping_flow *pingf) { - uint16_t id = pingf->f.side[INISIDE].eport; - epoll_ctl(c->epollfd, EPOLL_CTL_DEL, pingf->sock, NULL); close(pingf->sock); flow_hash_remove(c, FLOW_SIDX(pingf, INISIDE)); - - if (pingf->f.type == FLOW_PING4) - icmp_id_map[V4][id] = NULL; - else - icmp_id_map[V6][id] = NULL; } /** * icmp_ping_new() - Prepare a new ping socket for a new id * @c: Execution context - * @id_sock: Pointer to ping flow entry slot in icmp_id_map[] to update * @af: Address family, AF_INET or AF_INET6 * @id: ICMP id for the new socket * @saddr: Source address @@ -177,7 +166,6 @@ static void icmp_ping_close(const struct ctx *c, * Return: Newly opened ping flow, or NULL on failure */ static struct icmp_ping_flow *icmp_ping_new(const struct ctx *c, - struct icmp_ping_flow **id_sock, sa_family_t af, uint16_t id, const void *saddr, const void *daddr) { @@ -223,7 +211,6 @@ static struct icmp_ping_flow *icmp_ping_new(const struct ctx *c, flow_dbg(pingf, "new socket %i for echo ID %"PRIu16, pingf->sock, id); flow_hash_insert(c, FLOW_SIDX(pingf, INISIDE)); - *id_sock = pingf; FLOW_ACTIVATE(pingf); @@ -250,7 +237,7 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, const void *saddr, const void *daddr, const struct pool *p, const struct timespec *now) { - struct icmp_ping_flow *pingf, **id_sock; + struct icmp_ping_flow *pingf; const struct flowside *tgt; union sockaddr_inany sa; size_t dlen, l4len; @@ -277,7 +264,6 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, proto = IPPROTO_ICMP; id = ntohs(ih->un.echo.id); - id_sock = &icmp_id_map[V4][id]; seq = ntohs(ih->un.echo.sequence); } else if (af == AF_INET6) { const struct icmp6hdr *ih; @@ -293,7 +279,6 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, proto = IPPROTO_ICMPV6; id = ntohs(ih->icmp6_identifier); - id_sock = &icmp_id_map[V6][id]; seq = ntohs(ih->icmp6_sequence); } else { ASSERT(0); @@ -304,7 +289,7 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, if (flow) pingf = &flow->ping; - else if (!(pingf = icmp_ping_new(c, id_sock, af, id, saddr, daddr))) + else if (!(pingf = icmp_ping_new(c, af, id, saddr, daddr))) return 1; tgt = &pingf->f.side[TGTSIDE]; |