Hi Beilei,
I think the commit title should reflect that this commit adds support for
GRE and MPLS items to rte_flow, testpmd changes are only a consequence.
On Fri, Mar 03, 2017 at 05:43:54PM +0800, Beilei Xing wrote:
> This patch adds MPLS support for generic filter
> API.
>
> Signed-off-by: Beilei Xing <beilei.x...@intel.com>
> ---
> app/test-pmd/cmdline_flow.c | 55
> +++++++++++++++++++++++++++++++++++++++++++++
> app/test-pmd/config.c | 2 ++
> lib/librte_ether/rte_flow.h | 40 +++++++++++++++++++++++++++++++++
> 3 files changed, 97 insertions(+)
>
> diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> index ff98690..241bda1 100644
> --- a/app/test-pmd/cmdline_flow.c
> +++ b/app/test-pmd/cmdline_flow.c
> @@ -159,6 +159,11 @@ enum index {
> ITEM_SCTP_CKSUM,
> ITEM_VXLAN,
> ITEM_VXLAN_VNI,
> + ITEM_MPLS,
> + ITEM_MPLS_LABEL,
> + ITEM_GRE,
> + ITEM_GRE_FLAGS,
> + ITEM_GRE_PROTO,
>
> /* Validate/create actions. */
> ACTIONS,
> @@ -432,6 +437,8 @@ static const enum index next_item[] = {
> ITEM_TCP,
> ITEM_SCTP,
> ITEM_VXLAN,
> + ITEM_MPLS,
> + ITEM_GRE,
> ZERO,
> };
>
> @@ -538,6 +545,19 @@ static const enum index item_vxlan[] = {
> ZERO,
> };
>
> +static const enum index item_mpls[] = {
> + ITEM_MPLS_LABEL,
> + ITEM_NEXT,
> + ZERO,
> +};
> +
> +static const enum index item_gre[] = {
> + ITEM_GRE_FLAGS,
> + ITEM_GRE_PROTO,
> + ITEM_NEXT,
> + ZERO,
> +};
> +
> static const enum index next_action[] = {
> ACTION_END,
> ACTION_VOID,
> @@ -1279,6 +1299,41 @@ static const struct token token_list[] = {
> .next = NEXT(item_vxlan, NEXT_ENTRY(UNSIGNED), item_param),
> .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vxlan, vni)),
> },
> + [ITEM_MPLS] = {
> + .name = "mpls",
> + .help = "match MPLS header",
> + .priv = PRIV_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
> + .next = NEXT(item_mpls),
> + .call = parse_vc,
> + },
> + [ITEM_MPLS_LABEL] = {
> + .name = "label",
> + .help = "MPLS label",
> + .next = NEXT(item_mpls, NEXT_ENTRY(UNSIGNED), item_param),
> + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_mpls,
> + label_tc_s_ttl)),
> + },
> + [ITEM_GRE] = {
> + .name = "gre",
> + .help = "match GRE header",
> + .priv = PRIV_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
> + .next = NEXT(item_gre),
> + .call = parse_vc,
> + },
> + [ITEM_GRE_FLAGS] = {
> + .name = "c_rsvd0_ver",
> + .help = "GRE c_rsvd0_ver",
> + .next = NEXT(item_gre, NEXT_ENTRY(UNSIGNED), item_param),
> + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gre,
> + c_rsvd0_ver)),
> + },
> + [ITEM_GRE_PROTO] = {
> + .name = "protocol",
> + .help = "GRE protocol type",
> + .next = NEXT(item_gre, NEXT_ENTRY(UNSIGNED), item_param),
> + .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gre,
> + protocol)),
> + },
Testpmd documentation must be updated accordingly, see:
doc/guides/testpmd_app_ug/testpmd_funcs.rst
> /* Validate/create actions. */
> [ACTIONS] = {
> .name = "actions",
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index 80491fc..c042765 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -963,6 +963,8 @@ static const struct {
> MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
> MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
> MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
> + MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
> + MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
> };
>
> /** Compute storage space needed by item specification. */
> diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
> index 171a569..c845953 100644
> --- a/lib/librte_ether/rte_flow.h
> +++ b/lib/librte_ether/rte_flow.h
> @@ -282,6 +282,20 @@ enum rte_flow_item_type {
> * See struct rte_flow_item_nvgre.
> */
> RTE_FLOW_ITEM_TYPE_NVGRE,
> +
> + /**
> + * Matches a MPLS header.
> + *
> + * See struct rte_flow_item_mpls.
> + */
> + RTE_FLOW_ITEM_TYPE_MPLS,
> +
> + /**
> + * Matches a GRE header.
> + *
> + * See struct rte_flow_item_gre.
> + */
> + RTE_FLOW_ITEM_TYPE_GRE,
> };
API documentation must be updated accordingly, see:
doc/guides/prog_guide/rte_flow.rst
Same comments about RTE_FLOW_ITEM_TYPE_NVGRE added by another series. You
should mention there's a dependency between them.
>
> /**
> @@ -599,6 +613,32 @@ struct rte_flow_item_nvgre {
> };
>
> /**
> + * RTE_FLOW_ITEM_TYPE_MPLS.
> + *
> + * Matches a MPLS header.
> + */
> + struct rte_flow_item_mpls {
> + /**
> + * Lable (20b), TC (3b), Bottom of Stack (1b), TTL (8b).
> + */
> + uint32_t label_tc_s_ttl;
> + };
Wrong indentation.
> +
> +/**
> + * RTE_FLOW_ITEM_TYPE_GRE.
> + *
> + * Matches a GRE header.
> + */
> +struct rte_flow_item_gre {
> + /**
> + * Checksum (1b), reserved 0 (12b), version (3b).
> + * Refer to RFC 2784.
> + */
> + uint16_t c_rsvd0_ver;
> + uint16_t protocol; /**< Protocol type. */
> +};
> +
> +/**
> * Matching pattern item definition.
> *
> * A pattern is formed by stacking items starting from the lowest protocol
> --
> 2.5.5
>
This patch looks otherwise good.
--
Adrien Mazarguil
6WIND
