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authorVijayabhaskar Katamreddy <vkatamre@cisco.com>2017-11-15 13:50:26 -0800
committerFlorin Coras <florin.coras@gmail.com>2017-12-15 15:58:46 +0000
commitce07412a54f06900b377a7f4966f6a26e19b8f2b (patch)
tree860d792f497e71e09c899b13bd744512c43a9563 /src/vnet/tcp/tcp_input.c
parent0e789423bb0d447c9d0ef62e1379d01f78939b8a (diff)
Fix icmp/udp/tcp punt/drop paths
Send packets to ip4/6_punt/drop nodes instead of error-drop/punt nodes dbarach: clean up an annoying checkstyle issue: indent 2.2.10 (OpenSUSE version) and indent 2.2.11 (Ubuntu / CentOS versions) had an artistic disagreement about ip_frag.c. Change-Id: I660bee28a064af9c6c70371363081e941d1c3a94 Signed-off-by: Vijayabhaskar Katamreddy <vkatamre@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rw-r--r--src/vnet/tcp/tcp_input.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 702a94f3a98..b0ea24ff8ef 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -27,7 +27,8 @@ static char *tcp_error_strings[] = {
/* All TCP nodes have the same outgoing arcs */
#define foreach_tcp_state_next \
- _ (DROP, "error-drop") \
+ _ (DROP4, "ip4-drop") \
+ _ (DROP6, "ip6-drop") \
_ (TCP4_OUTPUT, "tcp4-output") \
_ (TCP6_OUTPUT, "tcp6-output")
@@ -75,6 +76,9 @@ typedef enum _tcp_state_next
#define tcp_next_output(is_ip4) (is_ip4 ? TCP_NEXT_TCP4_OUTPUT \
: TCP_NEXT_TCP6_OUTPUT)
+#define tcp_next_drop(is_ip4) (is_ip4 ? TCP_NEXT_DROP4 \
+ : TCP_NEXT_DROP6)
+
vlib_node_registration_t tcp4_established_node;
vlib_node_registration_t tcp6_established_node;
@@ -1554,7 +1558,7 @@ tcp_segment_rcv (tcp_main_t * tm, tcp_connection_t * tc, vlib_buffer_t * b,
if (seq_lt (vnet_buffer (b)->tcp.seq_number, tc->rcv_nxt))
{
error = TCP_ERROR_SEGMENT_OLD;
- *next0 = TCP_NEXT_DROP;
+ *next0 = tcp_next_drop (tc->c_is_ip4);
/* Completely in the past (possible retransmit) */
if (seq_leq (vnet_buffer (b)->tcp.seq_end, tc->rcv_nxt))
@@ -1707,7 +1711,7 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_buffer_t *b0;
tcp_header_t *th0 = 0;
tcp_connection_t *tc0;
- u32 next0 = TCP_ESTABLISHED_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
bi0 = from[0];
to_next[0] = bi0;
@@ -1967,7 +1971,7 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
tcp_connection_t *new_tc0;
- u32 next0 = TCP_SYN_SENT_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
bi0 = from[0];
to_next[0] = bi0;
@@ -2294,7 +2298,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_buffer_t *b0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
- u32 next0 = TCP_RCV_PROCESS_NEXT_DROP, error0 = TCP_ERROR_ENQUEUED;
+ u32 next0 = tcp_next_drop (is_ip4), error0 = TCP_ERROR_ENQUEUED;
u8 is_fin0;
bi0 = from[0];
@@ -2690,7 +2694,7 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
ip4_header_t *ip40;
ip6_header_t *ip60;
tcp_connection_t *child0;
- u32 error0 = TCP_ERROR_SYNS_RCVD, next0 = TCP_LISTEN_NEXT_DROP;
+ u32 error0 = TCP_ERROR_SYNS_RCVD, next0 = tcp_next_drop (is_ip4);
bi0 = from[0];
to_next[0] = bi0;
@@ -2895,22 +2899,22 @@ typedef enum _tcp_input_next
} tcp_input_next_t;
#define foreach_tcp4_input_next \
- _ (DROP, "error-drop") \
+ _ (DROP, "ip4-drop") \
_ (LISTEN, "tcp4-listen") \
_ (RCV_PROCESS, "tcp4-rcv-process") \
_ (SYN_SENT, "tcp4-syn-sent") \
_ (ESTABLISHED, "tcp4-established") \
_ (RESET, "tcp4-reset") \
- _ (PUNT, "error-punt")
+ _ (PUNT, "ip4-punt")
#define foreach_tcp6_input_next \
- _ (DROP, "error-drop") \
+ _ (DROP, "ip6-drop") \
_ (LISTEN, "tcp6-listen") \
_ (RCV_PROCESS, "tcp6-rcv-process") \
_ (SYN_SENT, "tcp6-syn-sent") \
_ (ESTABLISHED, "tcp6-established") \
_ (RESET, "tcp6-reset") \
- _ (PUNT, "error-punt")
+ _ (PUNT, "ip6-punt")
#define filter_flags (TCP_FLAG_SYN|TCP_FLAG_ACK|TCP_FLAG_RST|TCP_FLAG_FIN)