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Miller" , "Eric Dumazet" , Jakub Kicinski , Paolo Abeni Subject: [net-next PATCH] octeon_ep: pack hardware structures Date: Fri, 6 Oct 2023 05:02:25 -0700 Message-ID: <20231006120225.2259533-1-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: F_KeOV0NrR1i55C30fZXdFdUJvrgJRfY X-Proofpoint-GUID: F_KeOV0NrR1i55C30fZXdFdUJvrgJRfY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-06_09,2023-10-06_01,2023-05-22_02 X-Spam-Status: No, score=2.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Fri, 06 Oct 2023 05:03:53 -0700 (PDT) X-Spam-Level: ** X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779007578495862222 X-GMAIL-MSGID: 1779007578495862222 Add packed attribute to hardware structures. Signed-off-by: Shinas Rasheed --- drivers/net/ethernet/marvell/octeon_ep/octep_rx.h | 6 +++--- drivers/net/ethernet/marvell/octeon_ep/octep_tx.h | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_rx.h b/drivers/net/ethernet/marvell/octeon_ep/octep_rx.h index 782a24f27f3e..ca42ddb77491 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_rx.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_rx.h @@ -19,7 +19,7 @@ struct octep_oq_desc_hw { dma_addr_t buffer_ptr; u64 info_ptr; -}; +} __packed; #define OCTEP_OQ_DESC_SIZE (sizeof(struct octep_oq_desc_hw)) @@ -38,7 +38,7 @@ struct octep_oq_resp_hw_ext { /* checksum verified. */ u64 csum_verified:2; -}; +} __packed; #define OCTEP_OQ_RESP_HW_EXT_SIZE (sizeof(struct octep_oq_resp_hw_ext)) @@ -49,7 +49,7 @@ struct octep_oq_resp_hw_ext { struct octep_oq_resp_hw { /* The Length of the packet. */ __be64 length; -}; +} __packed; #define OCTEP_OQ_RESP_HW_SIZE (sizeof(struct octep_oq_resp_hw)) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h b/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h index 21e75ff9f5e7..74189e5a7d33 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h @@ -35,7 +35,7 @@ struct octep_tx_sglist_desc { u16 len[4]; dma_addr_t dma_ptr[4]; -}; +} __packed; /* Each Scatter/Gather entry sent to hardwar hold four pointers. * So, number of entries required is (MAX_SKB_FRAGS + 1)/4, where '+1' @@ -238,7 +238,7 @@ struct octep_instr_hdr { /* Reserved3 */ u64 reserved3:1; -}; +} __packed; /* Hardware Tx completion response header */ struct octep_instr_resp_hdr { @@ -262,7 +262,7 @@ struct octep_instr_resp_hdr { /* Opcode for the return packet */ u64 opcode:16; -}; +} __packed; /* 64-byte Tx instruction format. * Format of instruction for a 64-byte mode input queue. @@ -292,7 +292,7 @@ struct octep_tx_desc_hw { /* Additional headers available in a 64-byte instruction. */ u64 exhdr[4]; -}; +} __packed; #define OCTEP_IQ_DESC_SIZE (sizeof(struct octep_tx_desc_hw)) #endif /* _OCTEP_TX_H_ */