diff options
Diffstat (limited to 'meta/recipes-core/busybox/busybox/0001-libiproute-handle-table-ids-larger-than-255.patch')
| -rw-r--r-- | meta/recipes-core/busybox/busybox/0001-libiproute-handle-table-ids-larger-than-255.patch | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/meta/recipes-core/busybox/busybox/0001-libiproute-handle-table-ids-larger-than-255.patch b/meta/recipes-core/busybox/busybox/0001-libiproute-handle-table-ids-larger-than-255.patch new file mode 100644 index 0000000000..aac5b4029b --- /dev/null +++ b/meta/recipes-core/busybox/busybox/0001-libiproute-handle-table-ids-larger-than-255.patch @@ -0,0 +1,134 @@ +From b5a9234272e6084557224c73ab7737ed47f09848 Mon Sep 17 00:00:00 2001 +From: Lukasz Nowak <lnowak@tycoint.com> +Date: Wed, 23 Nov 2016 12:48:21 +0000 +Subject: [PATCH v2] libiproute: handle table ids larger than 255 + +Linux kernel, starting from 2.6.19 allows ip table ids to have 32-bit values. +In order to preserve compatibility, the old 8-bit field: rtm_table is still +in use when table id is lower than 256. + +Add support for the 32-bit table id (RTA_TABLE attribute) in: +- ip route print +- ip route modify +- ip rule print +- ip rule modify + +Add printing of table ids to ip route. + +Changes are compatible with the mainline iproute2 utilities. + +These changes are required for compatibility with ConnMan, which by default +uses table ids greater than 255. + +Upstream-Status: Submitted [http://lists.busybox.net/pipermail/busybox/2016-December/084989.html] + +Signed-off-by: Lukasz Nowak <lnowak@tycoint.com> +--- + networking/libiproute/iproute.c | 24 ++++++++++++++++++++---- + networking/libiproute/iprule.c | 11 +++++++++-- + 2 files changed, 29 insertions(+), 6 deletions(-) + +diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c +index 6ecd5f7..d5af498 100644 +--- a/networking/libiproute/iproute.c ++++ b/networking/libiproute/iproute.c +@@ -87,6 +87,7 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM, + inet_prefix dst; + inet_prefix src; + int host_len = -1; ++ uint32_t tid; + + if (n->nlmsg_type != RTM_NEWROUTE && n->nlmsg_type != RTM_DELROUTE) { + fprintf(stderr, "Not a route: %08x %08x %08x\n", +@@ -99,6 +100,14 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM, + if (len < 0) + bb_error_msg_and_die("wrong nlmsg len %d", len); + ++ memset(tb, 0, sizeof(tb)); ++ parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len); ++ ++ if (tb[RTA_TABLE]) ++ tid = *(uint32_t *)RTA_DATA(tb[RTA_TABLE]); ++ else ++ tid = r->rtm_table; ++ + if (r->rtm_family == AF_INET6) + host_len = 128; + else if (r->rtm_family == AF_INET) +@@ -128,7 +137,7 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM, + } + } + } else { +- if (G_filter.tb > 0 && G_filter.tb != r->rtm_table) { ++ if (G_filter.tb > 0 && G_filter.tb != tid) { + return 0; + } + } +@@ -157,10 +166,8 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM, + return 0; + } + +- memset(tb, 0, sizeof(tb)); + memset(&src, 0, sizeof(src)); + memset(&dst, 0, sizeof(dst)); +- parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len); + + if (tb[RTA_SRC]) { + src.bitlen = r->rtm_src_len; +@@ -283,6 +290,10 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM, + if (tb[RTA_OIF]) { + printf("dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF]))); + } ++#if ENABLE_FEATURE_IP_RULE ++ if (tid && tid != RT_TABLE_MAIN && !G_filter.tb) ++ printf("table %s ", rtnl_rttable_n2a(tid)); ++#endif + + /* Todo: parse & show "proto kernel", "scope link" here */ + +@@ -434,7 +445,12 @@ IF_FEATURE_IP_RULE(ARG_table,) + NEXT_ARG(); + if (rtnl_rttable_a2n(&tid, *argv)) + invarg(*argv, "table"); +- req.r.rtm_table = tid; ++ if (tid < 256) ++ req.r.rtm_table = tid; ++ else { ++ req.r.rtm_table = RT_TABLE_UNSPEC; ++ addattr32(&req.n, sizeof(req), RTA_TABLE, tid); ++ } + #endif + } else if (arg == ARG_dev || arg == ARG_oif) { + NEXT_ARG(); +diff --git a/networking/libiproute/iprule.c b/networking/libiproute/iprule.c +index 774a3e2..3fac7c5 100644 +--- a/networking/libiproute/iprule.c ++++ b/networking/libiproute/iprule.c +@@ -119,7 +119,9 @@ static int FAST_FUNC print_rule(const struct sockaddr_nl *who UNUSED_PARAM, + printf("iif %s ", (char*)RTA_DATA(tb[RTA_IIF])); + } + +- if (r->rtm_table) ++ if (tb[RTA_TABLE]) ++ printf("lookup %s ", rtnl_rttable_n2a(*(uint32_t*)RTA_DATA(tb[RTA_TABLE]))); ++ else if (r->rtm_table) + printf("lookup %s ", rtnl_rttable_n2a(r->rtm_table)); + + if (tb[RTA_FLOW]) { +@@ -259,7 +261,12 @@ static int iprule_modify(int cmd, char **argv) + NEXT_ARG(); + if (rtnl_rttable_a2n(&tid, *argv)) + invarg(*argv, "table ID"); +- req.r.rtm_table = tid; ++ if (tid < 256) ++ req.r.rtm_table = tid; ++ else { ++ req.r.rtm_table = RT_TABLE_UNSPEC; ++ addattr32(&req.n, sizeof(req), RTA_TABLE, tid); ++ } + table_ok = 1; + } else if (key == ARG_dev || + key == ARG_iif +-- +2.7.4 + |