diff options
| author |   Filip Varga <fivarga@cisco.com> | 2019-08-12 14:24:39 +0200 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2019-08-22 14:13:42 +0000 |
| commit | 22bb417e91c7bdf639b24b5edd321028f56ea04a (patch) | |
| tree | 036c33c359752ca5eeabf0f612335d1a2489dfef /src/plugins/nat/nat.h | |
| parent | 95e091b268212c4bc7153d1526fdffd3ce1d647a (diff) | |
nat: handoff traffic matching for dynamic NAT
Type: feature
Change-Id: I5c5af6f9acb340cc674323305104b8ce23e6d21d
Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat.h')
| -rw-r--r-- | src/plugins/nat/nat.h | 141 |
1 files changed, 139 insertions, 2 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 664af39df99..f7ce5f977d6 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -177,6 +177,60 @@ typedef enum #undef _ } snat_session_state_t; +#define foreach_nat_in2out_ed_error \ +_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \ +_(IN2OUT_PACKETS, "good in2out packets processed") \ +_(OUT_OF_PORTS, "out of ports") \ +_(BAD_ICMP_TYPE, "unsupported ICMP type") \ +_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \ +_(DROP_FRAGMENT, "drop fragment") \ +_(MAX_REASS, "maximum reassemblies exceeded") \ +_(MAX_FRAG, "maximum fragments per reassembly exceeded")\ +_(NON_SYN, "non-SYN packet try to create session") \ +_(TCP_PACKETS, "TCP packets") \ +_(UDP_PACKETS, "UDP packets") \ +_(ICMP_PACKETS, "ICMP packets") \ +_(OTHER_PACKETS, "other protocol packets") \ +_(FRAGMENTS, "fragments") \ +_(CACHED_FRAGMENTS, "cached fragments") \ +_(PROCESSED_FRAGMENTS, "processed fragments") + +typedef enum +{ +#define _(sym,str) NAT_IN2OUT_ED_ERROR_##sym, + foreach_nat_in2out_ed_error +#undef _ + NAT_IN2OUT_ED_N_ERROR, +} nat_in2out_ed_error_t; + +#define foreach_nat_out2in_ed_error \ +_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \ +_(OUT2IN_PACKETS, "good out2in packets processed") \ +_(OUT_OF_PORTS, "out of ports") \ +_(BAD_ICMP_TYPE, "unsupported ICMP type") \ +_(NO_TRANSLATION, "no translation") \ +_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \ +_(DROP_FRAGMENT, "drop fragment") \ +_(MAX_REASS, "maximum reassemblies exceeded") \ +_(MAX_FRAG, "maximum fragments per reassembly exceeded")\ +_(NON_SYN, "non-SYN packet try to create session") \ +_(TCP_PACKETS, "TCP packets") \ +_(UDP_PACKETS, "UDP packets") \ +_(ICMP_PACKETS, "ICMP packets") \ +_(OTHER_PACKETS, "other protocol packets") \ +_(FRAGMENTS, "fragments") \ +_(CACHED_FRAGMENTS, "cached fragments") \ +_(PROCESSED_FRAGMENTS, "processed fragments") + +typedef enum +{ +#define _(sym,str) NAT_OUT2IN_ED_ERROR_##sym, + foreach_nat_out2in_ed_error +#undef _ + NAT_OUT2IN_ED_N_ERROR, +} nat_out2in_ed_error_t; + + /* Endpoint dependent TCP session state */ #define NAT44_SES_I2O_FIN 1 #define NAT44_SES_O2I_FIN 2 @@ -422,6 +476,9 @@ typedef struct /* NAT thread index */ u32 snat_thread_index; + + /* real thread index */ + u32 thread_index; } snat_main_per_thread_data_t; struct snat_main_s; @@ -438,7 +495,7 @@ typedef u32 (snat_icmp_match_function_t) (struct snat_main_s * sm, /* Return worker thread index for given packet */ typedef u32 (snat_get_worker_function_t) (ip4_header_t * ip, - u32 rx_fib_index); + u32 rx_fib_index, u8 is_output); /* NAT address and port allacotaion function */ typedef int (nat_alloc_out_addr_and_port_function_t) (snat_address_t * @@ -771,7 +828,7 @@ do \ { \ ELOG_TYPE_DECLARE (e) = \ { \ - .format = "nat-msg" _str, \ + .format = "nat-msg " _str, \ .format_args = "", \ }; \ ELOG_DATA (&sm->vlib_main->elog_main, e); \ @@ -803,6 +860,86 @@ do \ } \ } while (0); +#define nat_elog_debug_handoff(_str, _tid, _fib, _src, _dst) \ +do \ + { \ + if (PREDICT_FALSE (sm->log_level >= SNAT_LOG_DEBUG)) \ + { \ + ELOG_TYPE_DECLARE (e) = \ + { \ + .format = "nat-msg " _str " ip src: %d.%d.%d.%d dst: %d.%d.%d.%d" \ + " tid from: %d to: %d fib: %d", \ + .format_args = "i1i1i1i1i1i1i1i1i4i4i4", \ + }; \ + CLIB_PACKED(struct \ + { \ + u8 src_oct1; \ + u8 src_oct2; \ + u8 src_oct3; \ + u8 src_oct4; \ + u8 dst_oct1; \ + u8 dst_oct2; \ + u8 dst_oct3; \ + u8 dst_oct4; \ + u32 ftid; \ + u32 ttid; \ + u32 fib; \ + }) *ed; \ + ed = ELOG_DATA (&vlib_global_main.elog_main, e); \ + ed->src_oct1 = _src >> 24; \ + ed->src_oct2 = _src >> 16; \ + ed->src_oct3 = _src >> 8; \ + ed->src_oct4 = _src; \ + ed->dst_oct1 = _dst >> 24; \ + ed->dst_oct2 = _dst >> 16; \ + ed->dst_oct3 = _dst >> 8; \ + ed->dst_oct4 = _dst; \ + ed->ftid = vlib_get_thread_index (); \ + ed->ttid = _tid; \ + ed->fib = _fib; \ + } \ + } while (0); + +#define nat_elog_debug_handoff_v2(_str, _prt, _fib, _src, _dst) \ +do \ + { \ + if (PREDICT_FALSE (sm->log_level >= SNAT_LOG_DEBUG)) \ + { \ + ELOG_TYPE_DECLARE (e) = \ + { \ + .format = "nat-msg " _str " ip_src:%d.%d.%d.%d ip_dst:%d.%d.%d.%d" \ + " tid:%d prt:%d fib:%d", \ + .format_args = "i1i1i1i1i1i1i1i1i4i4i4", \ + }; \ + CLIB_PACKED(struct \ + { \ + u8 src_oct1; \ + u8 src_oct2; \ + u8 src_oct3; \ + u8 src_oct4; \ + u8 dst_oct1; \ + u8 dst_oct2; \ + u8 dst_oct3; \ + u8 dst_oct4; \ + u32 tid; \ + u32 prt; \ + u32 fib; \ + }) *ed; \ + ed = ELOG_DATA (&vlib_global_main.elog_main, e); \ + ed->src_oct1 = _src >> 24; \ + ed->src_oct2 = _src >> 16; \ + ed->src_oct3 = _src >> 8; \ + ed->src_oct4 = _src; \ + ed->dst_oct1 = _dst >> 24; \ + ed->dst_oct2 = _dst >> 16; \ + ed->dst_oct3 = _dst >> 8; \ + ed->dst_oct4 = _dst; \ + ed->tid = vlib_get_thread_index (); \ + ed->prt = _prt; \ + ed->fib = _fib; \ + } \ + } while (0); + #define nat_elog_X1(_level, _fmt, _arg, _val1) \ do \ { \ |