From 6df81b325fa42335b7eead3dca980af5e6c85c5f Mon Sep 17 00:00:00 2001 From: Adrien Mazarguil Date: Wed, 21 Dec 2016 15:51:36 +0100 Subject: [PATCH] app/testpmd: add items eth/vlan to flow command These pattern items match basic Ethernet headers (source, destination and type) and related 802.1Q/ad VLAN headers. Signed-off-by: Adrien Mazarguil Acked-by: Olga Shern --- app/test-pmd/cmdline_flow.c | 126 ++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c index c52a8f762a..e22e0c2d31 100644 --- a/app/test-pmd/cmdline_flow.c +++ b/app/test-pmd/cmdline_flow.c @@ -43,6 +43,7 @@ #include #include #include +#include #include #include "testpmd.h" @@ -59,6 +60,7 @@ enum index { PREFIX, BOOLEAN, STRING, + MAC_ADDR, RULE_ID, PORT_ID, GROUP_ID, @@ -114,6 +116,13 @@ enum index { ITEM_RAW_OFFSET, ITEM_RAW_LIMIT, ITEM_RAW_PATTERN, + ITEM_ETH, + ITEM_ETH_DST, + ITEM_ETH_SRC, + ITEM_ETH_TYPE, + ITEM_VLAN, + ITEM_VLAN_TPID, + ITEM_VLAN_TCI, /* Validate/create actions. */ ACTIONS, @@ -238,6 +247,14 @@ struct token { .size = (sz), \ }) +/** Same as ARGS_ENTRY() using network byte ordering. */ +#define ARGS_ENTRY_HTON(s, f) \ + (&(const struct arg){ \ + .hton = 1, \ + .offset = offsetof(s, f), \ + .size = sizeof(((s *)0)->f), \ + }) + /** Parser output buffer layout expected by cmd_flow_parsed(). */ struct buffer { enum index command; /**< Flow command. */ @@ -329,6 +346,8 @@ static const enum index next_item[] = { ITEM_VF, ITEM_PORT, ITEM_RAW, + ITEM_ETH, + ITEM_VLAN, ZERO, }; @@ -360,6 +379,21 @@ static const enum index item_raw[] = { ZERO, }; +static const enum index item_eth[] = { + ITEM_ETH_DST, + ITEM_ETH_SRC, + ITEM_ETH_TYPE, + ITEM_NEXT, + ZERO, +}; + +static const enum index item_vlan[] = { + ITEM_VLAN_TPID, + ITEM_VLAN_TCI, + ITEM_NEXT, + ZERO, +}; + static const enum index next_action[] = { ACTION_END, ACTION_VOID, @@ -402,6 +436,9 @@ static int parse_boolean(struct context *, const struct token *, static int parse_string(struct context *, const struct token *, const char *, unsigned int, void *, unsigned int); +static int parse_mac_addr(struct context *, const struct token *, + const char *, unsigned int, + void *, unsigned int); static int parse_port(struct context *, const struct token *, const char *, unsigned int, void *, unsigned int); @@ -465,6 +502,13 @@ static const struct token token_list[] = { .call = parse_string, .comp = comp_none, }, + [MAC_ADDR] = { + .name = "{MAC address}", + .type = "MAC-48", + .help = "standard MAC address notation", + .call = parse_mac_addr, + .comp = comp_none, + }, [RULE_ID] = { .name = "{rule id}", .type = "RULE ID", @@ -755,6 +799,50 @@ static const struct token token_list[] = { pattern, ITEM_RAW_PATTERN_SIZE)), }, + [ITEM_ETH] = { + .name = "eth", + .help = "match Ethernet header", + .priv = PRIV_ITEM(ETH, sizeof(struct rte_flow_item_eth)), + .next = NEXT(item_eth), + .call = parse_vc, + }, + [ITEM_ETH_DST] = { + .name = "dst", + .help = "destination MAC", + .next = NEXT(item_eth, NEXT_ENTRY(MAC_ADDR), item_param), + .args = ARGS(ARGS_ENTRY(struct rte_flow_item_eth, dst)), + }, + [ITEM_ETH_SRC] = { + .name = "src", + .help = "source MAC", + .next = NEXT(item_eth, NEXT_ENTRY(MAC_ADDR), item_param), + .args = ARGS(ARGS_ENTRY(struct rte_flow_item_eth, src)), + }, + [ITEM_ETH_TYPE] = { + .name = "type", + .help = "EtherType", + .next = NEXT(item_eth, NEXT_ENTRY(UNSIGNED), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_eth, type)), + }, + [ITEM_VLAN] = { + .name = "vlan", + .help = "match 802.1Q/ad VLAN tag", + .priv = PRIV_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)), + .next = NEXT(item_vlan), + .call = parse_vc, + }, + [ITEM_VLAN_TPID] = { + .name = "tpid", + .help = "tag protocol identifier", + .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan, tpid)), + }, + [ITEM_VLAN_TCI] = { + .name = "tci", + .help = "tag control information", + .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan, tci)), + }, /* Validate/create actions. */ [ACTIONS] = { .name = "actions", @@ -1399,6 +1487,44 @@ error: return -1; } +/** + * Parse a MAC address. + * + * Last argument (ctx->args) is retrieved to determine storage size and + * location. + */ +static int +parse_mac_addr(struct context *ctx, const struct token *token, + const char *str, unsigned int len, + void *buf, unsigned int size) +{ + const struct arg *arg = pop_args(ctx); + struct ether_addr tmp; + int ret; + + (void)token; + /* Argument is expected. */ + if (!arg) + return -1; + size = arg->size; + /* Bit-mask fill is not supported. */ + if (arg->mask || size != sizeof(tmp)) + goto error; + ret = cmdline_parse_etheraddr(NULL, str, &tmp, size); + if (ret < 0 || (unsigned int)ret != len) + goto error; + if (!ctx->object) + return len; + buf = (uint8_t *)ctx->object + arg->offset; + memcpy(buf, &tmp, size); + if (ctx->objmask) + memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size); + return len; +error: + push_args(ctx, arg); + return -1; +} + /** Boolean values (even indices stand for false). */ static const char *const boolean_name[] = { "0", "1", -- 2.20.1