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Message-Id: <1450891039-17196-10-git-send-email-hariprasad@chelsio.com> Date: Wed, 23 Dec 2015 22:47:19 +0530 From: Hariprasad Shenai <hariprasad@...lsio.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, leedom@...lsio.com, nirranjan@...lsio.com, Hariprasad Shenai <hariprasad@...lsio.com> Subject: [PATCH net-next 9/9] cxgb4vf: Update to 128 byte mailbox size for T6 adapter Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com> --- drivers/net/ethernet/chelsio/cxgb4vf/t4vf_defs.h | 1 + drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | 11 +++++++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_defs.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_defs.h index b516b12..f859db3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_defs.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_defs.h @@ -54,6 +54,7 @@ #define T4VF_MPS_BASE_ADDR 0x0100 #define T4VF_PL_BASE_ADDR 0x0200 #define T4VF_MBDATA_BASE_ADDR 0x0240 +#define T6VF_MBDATA_BASE_ADDR 0x0280 #define T4VF_CIM_BASE_ADDR 0x0300 #define T4VF_REGMAP_START 0x0000 diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index 63dd5fd..b6fa74a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -120,12 +120,19 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, 1, 1, 3, 5, 10, 10, 20, 50, 100 }; - u32 v; + u32 v, mbox_data; int i, ms, delay_idx; const __be64 *p; - u32 mbox_data = T4VF_MBDATA_BASE_ADDR; u32 mbox_ctl = T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL; + /* In T6, mailbox size is changed to 128 bytes to avoid + * invalidating the entire prefetch buffer. + */ + if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) + mbox_data = T4VF_MBDATA_BASE_ADDR; + else + mbox_data = T6VF_MBDATA_BASE_ADDR; + /* * Commands must be multiples of 16 bytes in length and may not be * larger than the size of the Mailbox Data register array. -- 2.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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