[net-next] net: mvpp2: add an entry to skip parser
From: <hidden>
Date: 2021-02-10 14:19:06
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lkml
Subsystem:
marvell mvpp2 ethernet driver, networking drivers, the rest · Maintainers:
Marcin Wojtas, Russell King, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Stefan Chulski <redacted> This entry used when skipping the parser needed, for example, the custom header pretended to ethernet header. Suggested-by: Liron Himi <redacted> Signed-off-by: Stefan Chulski <redacted> --- drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 15 +++++++++++++++ drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h | 3 ++- 2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
index 0b2ff08..b968a20 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c@@ -1173,6 +1173,21 @@ static void mvpp2_prs_mh_init(struct mvpp2 *priv) /* Update shadow table and hw entry */ mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH); mvpp2_prs_hw_write(priv, &pe); + + /* Set MH entry that skip parser */ + pe.index = MVPP2_PE_MH_SKIP_PRS; + mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MH); + mvpp2_prs_sram_shift_set(&pe, MVPP2_MH_SIZE, + MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD); + mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1); + mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS); + + /* Mask all ports */ + mvpp2_prs_tcam_port_map_set(&pe, 0); + + /* Update shadow table and hw entry */ + mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MH); + mvpp2_prs_hw_write(priv, &pe); } /* Set default entires (place holder) for promiscuous, non-promiscuous and
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
index 4b68dd3..c16e5b9 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h@@ -103,10 +103,11 @@ #define MVPP2_PE_MAC_RANGE_START (MVPP2_PE_MAC_RANGE_END - \ MVPP2_PRS_MAC_RANGE_SIZE + 1) /* VLAN filtering range */ -#define MVPP2_PE_VID_FILT_RANGE_END (MVPP2_PRS_TCAM_SRAM_SIZE - 31) +#define MVPP2_PE_VID_FILT_RANGE_END (MVPP2_PRS_TCAM_SRAM_SIZE - 32) #define MVPP2_PE_VID_FILT_RANGE_START (MVPP2_PE_VID_FILT_RANGE_END - \ MVPP2_PRS_VLAN_FILT_RANGE_SIZE + 1) #define MVPP2_PE_LAST_FREE_TID (MVPP2_PE_MAC_RANGE_START - 1) +#define MVPP2_PE_MH_SKIP_PRS (MVPP2_PRS_TCAM_SRAM_SIZE - 31) #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30) #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 29) #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28)
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1.9.1