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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 57521705-3908-443e-fd99-08d7b51c07a2 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Feb 2020 09:13:48.5739 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: VkmGMB9I5he9Lus5tFnApBIyVdgVPVgPY2nTVA0bT3W/MDwb9OICe3/h7X8Qkx9n28+sr/9ePfAc/w6zle4CK6HLFytlYS+yan/39NyqiWE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM4PR05MB3299 Subject: Re: [dpdk-stable] [PATCH] net/mlx5: fix L3 vxlan RSS expansion X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: Matan Azrad > Sent: Wednesday, February 19, 2020 10:30 > To: dev@dpdk.org > Cc: Slava Ovsiienko ; stable@dpdk.org > Subject: [PATCH] net/mlx5: fix L3 vxlan RSS expansion >=20 > The RSS expansion feature was introduced to split RSS flows according to = the > adjustment between the RSS types and the flow items. >=20 > The expansion function gets an item tree for the above adjustment from th= e > caller which reflects the HW needs. >=20 > The standard vxlan header next protocol is always ethernet while there ar= e > some Mellanox customers who use their own method to allow L3 headers > after the vxlan tunnel header. >=20 > The expansion tree of mlx5 PMD didn't expect to get L3 headers after the > vxlan header what caused a failure in flow creation when inner RSS is > requested on L3 after vxlan flow. >=20 > Add IPV4 and IPV6 as optional headers after vxlan in the RSS expansion tr= ee > to allow L3 tunnel support for vxlan. >=20 > Fixes: f4f06e361516 ("net/mlx5: add flow VXLAN item") > Cc: stable@dpdk.org >=20 > Signed-off-by: Matan Azrad Acked-by: Viacheslav Ovsiienko > --- > drivers/net/mlx5/mlx5_flow.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) >=20 > diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c > index 2548201..6544cc4 100644 > --- a/drivers/net/mlx5/mlx5_flow.c > +++ b/drivers/net/mlx5/mlx5_flow.c > @@ -167,7 +167,9 @@ enum mlx5_expansion { > .rss_types =3D ETH_RSS_NONFRAG_IPV6_TCP, > }, > [MLX5_EXPANSION_VXLAN] =3D { > - .next =3D > RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH), > + .next =3D > RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH, > + MLX5_EXPANSION_IPV4, > + MLX5_EXPANSION_IPV6), > .type =3D RTE_FLOW_ITEM_TYPE_VXLAN, > }, > [MLX5_EXPANSION_VXLAN_GPE] =3D { > -- > 1.8.3.1