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Sun, 5 Aug 2018 06:24:39 +0000 From: Matan Azrad To: Yongseok Koh , Shahaf Shuler CC: "dev@dpdk.org" , Yongseok Koh , "stable@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] net/mlx5: prohibit wildcard match for GRE protocol Thread-Index: AQHUKqMBbVknVSdGWEusZ9af8ZyWpqSwsPAw Date: Sun, 5 Aug 2018 06:24:39 +0000 Message-ID: References: <20180802205400.10316-1-yskoh@mellanox.com> In-Reply-To: <20180802205400.10316-1-yskoh@mellanox.com> Accept-Language: en-US, he-IL Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=matan@mellanox.com; x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM0PR0502MB4002; 6:Km6ZtBcyDzihT6SGgRQ65rbaj22PL/WXD6OwtuGvP2gJMTWDoEbkZx+QaOLJ3k5JWhlDEjKI75271LOl+Nqlmx3Hfvf6p8bOnSJo+3Mory3c4tet1Yd3DD2Yep0bbM9qnA8wTHZnguDswjTpotcgow+uXhHB1R7scDoUdcZTK5gV9VxE0Qe51vtaIlymcUZv2QH1hu2df493nWguSRflnhmI9/3RZ1E8dqjKdSnWOL7Drr+FiR9lOXA/V4DNo4cnasrhE/kIcw/j5vrqiiCotuerGysxjYwX/qRu2fDawfVHmjzdZZ0NrnWfgX4F3aV2VJnHAKxr4tWYQHfo5JpucI5siqTmS6YCw4pq53WCnTdG8C5h6lQX5l7TOJTaubcnKw08rNx5zc283tqWWtbttCtRfPG/Sj1a5tRmQUI87DYhCONcm30XPbjtUIo5D3s1tB3H3qUOJxAqDGvDt7BIpw==; 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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: 5a2b0d79-725b-4e0d-e27f-08d5fa9c1faf X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2018 06:24:39.4844 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB4002 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: prohibit wildcard match for GRE protocol 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: , X-List-Received-Date: Sun, 05 Aug 2018 06:24:40 -0000 Hi Koh From: Yongseok Koh > Currently, driver sets full mask (0xffff) for GRE protocol to device. Unt= il it is > changed, PMD can't support wildcard match. >=20 > Fixes: f4b901a46aec ("net/mlx5: add flow GRE item") > Cc: stable@dpdk.org >=20 > Signed-off-by: Yongseok Koh > --- > drivers/net/mlx5/mlx5_flow.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) >=20 > diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c = index > b7500ec9d6..83ac6cbb85 100644 > --- a/drivers/net/mlx5/mlx5_flow.c > +++ b/drivers/net/mlx5/mlx5_flow.c > @@ -1690,8 +1690,12 @@ mlx5_flow_item_gre(const struct rte_flow_item > *item, > RTE_FLOW_ERROR_TYPE_ITEM, > item, > "L3 Layer is missing"); > - if (!mask) > - mask =3D &rte_flow_item_gre_mask; > + if (!mask || mask->protocol !=3D 0xffff) Why do you check !mask again, I think it's redundant.. no? I think we can support also mask->protocol =3D 0: In this case we just need to not specify a spec. > + return rte_flow_error_set(error, ENOTSUP, > + RTE_FLOW_ERROR_TYPE_ITEM, > + item, > + "wildcard match is not supported" > + " for protocol field of GRE"); > ret =3D mlx5_flow_item_acceptable > (item, (const uint8_t *)mask, > (const uint8_t *)&rte_flow_item_gre_mask, > -- > 2.11.0