From ef6e38550f0749c9f306699b7459f616afe12d9d Mon Sep 17 00:00:00 2001 From: Adrien Mazarguil Date: Wed, 21 Dec 2016 15:51:37 +0100 Subject: [PATCH] app/testpmd: add items ipv4/ipv6 to flow command Add the ability to match basic fields from IPv4 and IPv6 headers (source and destination addresses only). Signed-off-by: Adrien Mazarguil Acked-by: Olga Shern --- app/test-pmd/cmdline_flow.c | 177 ++++++++++++++++++++++++++++++++++++ 1 file changed, 177 insertions(+) diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c index e22e0c2d31..1f6a5a08d3 100644 --- a/app/test-pmd/cmdline_flow.c +++ b/app/test-pmd/cmdline_flow.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -61,6 +62,8 @@ enum index { BOOLEAN, STRING, MAC_ADDR, + IPV4_ADDR, + IPV6_ADDR, RULE_ID, PORT_ID, GROUP_ID, @@ -123,6 +126,12 @@ enum index { ITEM_VLAN, ITEM_VLAN_TPID, ITEM_VLAN_TCI, + ITEM_IPV4, + ITEM_IPV4_SRC, + ITEM_IPV4_DST, + ITEM_IPV6, + ITEM_IPV6_SRC, + ITEM_IPV6_DST, /* Validate/create actions. */ ACTIONS, @@ -348,6 +357,8 @@ static const enum index next_item[] = { ITEM_RAW, ITEM_ETH, ITEM_VLAN, + ITEM_IPV4, + ITEM_IPV6, ZERO, }; @@ -394,6 +405,20 @@ static const enum index item_vlan[] = { ZERO, }; +static const enum index item_ipv4[] = { + ITEM_IPV4_SRC, + ITEM_IPV4_DST, + ITEM_NEXT, + ZERO, +}; + +static const enum index item_ipv6[] = { + ITEM_IPV6_SRC, + ITEM_IPV6_DST, + ITEM_NEXT, + ZERO, +}; + static const enum index next_action[] = { ACTION_END, ACTION_VOID, @@ -439,6 +464,12 @@ static int parse_string(struct context *, const struct token *, static int parse_mac_addr(struct context *, const struct token *, const char *, unsigned int, void *, unsigned int); +static int parse_ipv4_addr(struct context *, const struct token *, + const char *, unsigned int, + void *, unsigned int); +static int parse_ipv6_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); @@ -509,6 +540,20 @@ static const struct token token_list[] = { .call = parse_mac_addr, .comp = comp_none, }, + [IPV4_ADDR] = { + .name = "{IPv4 address}", + .type = "IPV4 ADDRESS", + .help = "standard IPv4 address notation", + .call = parse_ipv4_addr, + .comp = comp_none, + }, + [IPV6_ADDR] = { + .name = "{IPv6 address}", + .type = "IPV6 ADDRESS", + .help = "standard IPv6 address notation", + .call = parse_ipv6_addr, + .comp = comp_none, + }, [RULE_ID] = { .name = "{rule id}", .type = "RULE ID", @@ -843,6 +888,48 @@ static const struct token token_list[] = { .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param), .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan, tci)), }, + [ITEM_IPV4] = { + .name = "ipv4", + .help = "match IPv4 header", + .priv = PRIV_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)), + .next = NEXT(item_ipv4), + .call = parse_vc, + }, + [ITEM_IPV4_SRC] = { + .name = "src", + .help = "source address", + .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4, + hdr.src_addr)), + }, + [ITEM_IPV4_DST] = { + .name = "dst", + .help = "destination address", + .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4, + hdr.dst_addr)), + }, + [ITEM_IPV6] = { + .name = "ipv6", + .help = "match IPv6 header", + .priv = PRIV_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)), + .next = NEXT(item_ipv6), + .call = parse_vc, + }, + [ITEM_IPV6_SRC] = { + .name = "src", + .help = "source address", + .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6, + hdr.src_addr)), + }, + [ITEM_IPV6_DST] = { + .name = "dst", + .help = "destination address", + .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param), + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6, + hdr.dst_addr)), + }, /* Validate/create actions. */ [ACTIONS] = { .name = "actions", @@ -1525,6 +1612,96 @@ error: return -1; } +/** + * Parse an IPv4 address. + * + * Last argument (ctx->args) is retrieved to determine storage size and + * location. + */ +static int +parse_ipv4_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); + char str2[len + 1]; + struct in_addr tmp; + int ret; + + /* Argument is expected. */ + if (!arg) + return -1; + size = arg->size; + /* Bit-mask fill is not supported. */ + if (arg->mask || size != sizeof(tmp)) + goto error; + /* Only network endian is supported. */ + if (!arg->hton) + goto error; + memcpy(str2, str, len); + str2[len] = '\0'; + ret = inet_pton(AF_INET, str2, &tmp); + if (ret != 1) { + /* Attempt integer parsing. */ + push_args(ctx, arg); + return parse_int(ctx, token, str, len, buf, size); + } + 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; +} + +/** + * Parse an IPv6 address. + * + * Last argument (ctx->args) is retrieved to determine storage size and + * location. + */ +static int +parse_ipv6_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); + char str2[len + 1]; + struct in6_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; + /* Only network endian is supported. */ + if (!arg->hton) + goto error; + memcpy(str2, str, len); + str2[len] = '\0'; + ret = inet_pton(AF_INET6, str2, &tmp); + if (ret != 1) + 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