diff options
Diffstat (limited to 'package/network/services/igmpproxy/patches/001-Send-IGMP-packets-with-IP-Router-Alert-option-RFC-21.patch')
| -rw-r--r-- | package/network/services/igmpproxy/patches/001-Send-IGMP-packets-with-IP-Router-Alert-option-RFC-21.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/package/network/services/igmpproxy/patches/001-Send-IGMP-packets-with-IP-Router-Alert-option-RFC-21.patch b/package/network/services/igmpproxy/patches/001-Send-IGMP-packets-with-IP-Router-Alert-option-RFC-21.patch deleted file mode 100644 index ffe1cf15eb..0000000000 --- a/package/network/services/igmpproxy/patches/001-Send-IGMP-packets-with-IP-Router-Alert-option-RFC-21.patch +++ /dev/null @@ -1,79 +0,0 @@ -From fed8c3db10bc9d3a1e799a774924c00522595d0c Mon Sep 17 00:00:00 2001 -From: Evgeny Yurchenko <evg.yurch@rogers.com> -Date: Mon, 4 Jan 2010 05:13:59 +0500 -Subject: [PATCH] Send IGMP packets with IP Router Alert option [RFC 2113] included in IP header - ---- - src/igmp.c | 17 ++++++++++++----- - src/igmpproxy.h | 1 + - 2 files changed, 13 insertions(+), 5 deletions(-) - -diff --git a/src/igmp.c b/src/igmp.c -index a0cd27d..b547688 100644 ---- a/src/igmp.c -+++ b/src/igmp.c -@@ -67,7 +67,7 @@ void initIgmp() { - * - Checksum (let the kernel fill it in) - */ - ip->ip_v = IPVERSION; -- ip->ip_hl = sizeof(struct ip) >> 2; -+ ip->ip_hl = (sizeof(struct ip) + 4) >> 2; /* +4 for Router Alert option */ - ip->ip_tos = 0xc0; /* Internet Control */ - ip->ip_ttl = MAXTTL; /* applies to unicasts only */ - ip->ip_p = IPPROTO_IGMP; -@@ -213,7 +213,7 @@ void buildIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, i - ip = (struct ip *)send_buf; - ip->ip_src.s_addr = src; - ip->ip_dst.s_addr = dst; -- ip_set_len(ip, MIN_IP_HEADER_LEN + IGMP_MINLEN + datalen); -+ ip_set_len(ip, IP_HEADER_RAOPT_LEN + IGMP_MINLEN + datalen); - - if (IN_MULTICAST(ntohl(dst))) { - ip->ip_ttl = curttl; -@@ -221,13 +221,20 @@ void buildIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, i - ip->ip_ttl = MAXTTL; - } - -- igmp = (struct igmp *)(send_buf + MIN_IP_HEADER_LEN); -+ /* Add Router Alert option */ -+ ((u_char*)send_buf+MIN_IP_HEADER_LEN)[0] = IPOPT_RA; -+ ((u_char*)send_buf+MIN_IP_HEADER_LEN)[1] = 0x04; -+ ((u_char*)send_buf+MIN_IP_HEADER_LEN)[2] = 0x00; -+ ((u_char*)send_buf+MIN_IP_HEADER_LEN)[3] = 0x00; -+ -+ igmp = (struct igmp *)(send_buf + IP_HEADER_RAOPT_LEN); - igmp->igmp_type = type; - igmp->igmp_code = code; - igmp->igmp_group.s_addr = group; - igmp->igmp_cksum = 0; - igmp->igmp_cksum = inetChksum((u_short *)igmp, -- IGMP_MINLEN + datalen); -+ IP_HEADER_RAOPT_LEN + datalen); -+ - } - - /* -@@ -257,7 +264,7 @@ void sendIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, in - #endif - sdst.sin_addr.s_addr = dst; - if (sendto(MRouterFD, send_buf, -- MIN_IP_HEADER_LEN + IGMP_MINLEN + datalen, 0, -+ IP_HEADER_RAOPT_LEN + IGMP_MINLEN + datalen, 0, - (struct sockaddr *)&sdst, sizeof(sdst)) < 0) { - if (errno == ENETDOWN) - my_log(LOG_ERR, errno, "Sender VIF was down."); -diff --git a/src/igmpproxy.h b/src/igmpproxy.h -index 0de7791..4df8a79 100644 ---- a/src/igmpproxy.h -+++ b/src/igmpproxy.h -@@ -64,6 +64,7 @@ - #define MAX_IP_PACKET_LEN 576 - #define MIN_IP_HEADER_LEN 20 - #define MAX_IP_HEADER_LEN 60 -+#define IP_HEADER_RAOPT_LEN 24 - - #define MAX_MC_VIFS 32 // !!! check this const in the specific includes - --- -1.7.2.5 - |