diff options
Diffstat (limited to 'src/plugins/acl/public_inlines.h')
-rw-r--r-- | src/plugins/acl/public_inlines.h | 84 |
1 files changed, 34 insertions, 50 deletions
diff --git a/src/plugins/acl/public_inlines.h b/src/plugins/acl/public_inlines.h index e7b085271f6..6b464b36b7a 100644 --- a/src/plugins/acl/public_inlines.h +++ b/src/plugins/acl/public_inlines.h @@ -214,11 +214,11 @@ acl_fill_5tuple (acl_main_t * am, vlib_buffer_t * b0, int is_ip6, if (is_ip6) { - clib_memcpy (&p5tuple_pkt->addr, + clib_memcpy (&p5tuple_pkt->ip6_addr, get_ptr_to_offset (b0, offsetof (ip6_header_t, src_address) + l3_offset), - sizeof (p5tuple_pkt->addr)); + sizeof (p5tuple_pkt->ip6_addr)); proto = *(u8 *) get_ptr_to_offset (b0, offsetof (ip6_header_t, @@ -270,18 +270,12 @@ acl_fill_5tuple (acl_main_t * am, vlib_buffer_t * b0, int is_ip6, } else { - ip46_address_mask_ip4(&p5tuple_pkt->addr[0]); - ip46_address_mask_ip4(&p5tuple_pkt->addr[1]); - clib_memcpy (&p5tuple_pkt->addr[0].ip4, + memset(p5tuple_pkt->l3_zero_pad, 0, sizeof(p5tuple_pkt->l3_zero_pad)); + clib_memcpy (&p5tuple_pkt->ip4_addr, get_ptr_to_offset (b0, offsetof (ip4_header_t, src_address) + l3_offset), - sizeof (p5tuple_pkt->addr[0].ip4)); - clib_memcpy (&p5tuple_pkt->addr[1].ip4, - get_ptr_to_offset (b0, - offsetof (ip4_header_t, - dst_address) + l3_offset), - sizeof (p5tuple_pkt->addr[1].ip4)); + sizeof (p5tuple_pkt->ip4_addr)); proto = *(u8 *) get_ptr_to_offset (b0, offsetof (ip4_header_t, @@ -359,16 +353,29 @@ acl_plugin_fill_5tuple_inline (u32 lc_index, vlib_buffer_t * b0, int is_ip6, always_inline int -fa_acl_match_addr (ip46_address_t * addr1, ip46_address_t * addr2, - int prefixlen, int is_ip6) +fa_acl_match_ip4_addr (ip4_address_t * addr1, ip4_address_t * addr2, + int prefixlen) { if (prefixlen == 0) { /* match any always succeeds */ return 1; } - if (is_ip6) + uint32_t a1 = clib_net_to_host_u32 (addr1->as_u32); + uint32_t a2 = clib_net_to_host_u32 (addr2->as_u32); + uint32_t mask0 = 0xffffffff - ((1 << (32 - prefixlen)) - 1); + return (a1 & mask0) == a2; +} + +always_inline int +fa_acl_match_ip6_addr (ip6_address_t * addr1, ip6_address_t * addr2, + int prefixlen) +{ + if (prefixlen == 0) { + /* match any always succeeds */ + return 1; + } if (memcmp (addr1, addr2, prefixlen / 8)) { /* If the starting full bytes do not match, no point in bittwidling the thumbs further */ @@ -386,14 +393,6 @@ fa_acl_match_addr (ip46_address_t * addr1, ip46_address_t * addr2, /* The prefix fits into integer number of bytes, so nothing left to do */ return 1; } - } - else - { - uint32_t a1 = clib_net_to_host_u32 (addr1->ip4.as_u32); - uint32_t a2 = clib_net_to_host_u32 (addr2->ip4.as_u32); - uint32_t mask0 = 0xffffffff - ((1 << (32 - prefixlen)) - 1); - return (a1 & mask0) == a2; - } } always_inline int @@ -424,41 +423,26 @@ single_acl_match_5tuple (acl_main_t * am, u32 acl_index, fa_5tuple_t * pkt_5tupl for (i = 0; i < a->count; i++) { r = a->rules + i; -#ifdef FA_NODE_VERBOSE_DEBUG - clib_warning("ACL_FA_NODE_DBG acl %d rule %d tag %s", acl_index, i, a->tag); -#endif if (is_ip6 != r->is_ipv6) { continue; } - if (!fa_acl_match_addr - (&pkt_5tuple->addr[1], &r->dst, r->dst_prefixlen, is_ip6)) + if (is_ip6) { + if (!fa_acl_match_ip6_addr + (&pkt_5tuple->ip6_addr[1], &r->dst.ip6, r->dst_prefixlen)) continue; - -#ifdef FA_NODE_VERBOSE_DEBUG - clib_warning - ("ACL_FA_NODE_DBG acl %d rule %d pkt dst addr %U match rule addr %U/%d", - acl_index, i, format_ip46_address, &pkt_5tuple->addr[1], - r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, format_ip46_address, - &r->dst, r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, - r->dst_prefixlen); -#endif - - if (!fa_acl_match_addr - (&pkt_5tuple->addr[0], &r->src, r->src_prefixlen, is_ip6)) + if (!fa_acl_match_ip6_addr + (&pkt_5tuple->ip6_addr[0], &r->src.ip6, r->src_prefixlen)) + continue; + } else { + if (!fa_acl_match_ip4_addr + (&pkt_5tuple->ip4_addr[1], &r->dst.ip4, r->dst_prefixlen)) + continue; + if (!fa_acl_match_ip4_addr + (&pkt_5tuple->ip4_addr[0], &r->src.ip4, r->src_prefixlen)) continue; + } -#ifdef FA_NODE_VERBOSE_DEBUG - clib_warning - ("ACL_FA_NODE_DBG acl %d rule %d pkt src addr %U match rule addr %U/%d", - acl_index, i, format_ip46_address, &pkt_5tuple->addr[0], - r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, format_ip46_address, - &r->src, r->is_ipv6 ? IP46_TYPE_IP6: IP46_TYPE_IP4, - r->src_prefixlen); - clib_warning - ("ACL_FA_NODE_DBG acl %d rule %d trying to match pkt proto %d with rule %d", - acl_index, i, pkt_5tuple->l4.proto, r->proto); -#endif if (r->proto) { if (pkt_5tuple->l4.proto != r->proto) |