Commit b5161219 authored by Subbaraya Sundeep's avatar Subbaraya Sundeep Committed by Paolo Abeni
Browse files

octeontx2-af: mcs: Write TCAM_DATA and TCAM_MASK registers at once 



As per hardware errata on CN10KB, all the four TCAM_DATA
and TCAM_MASK registers has to be written at once otherwise
write to individual registers will fail. Hence write to all
TCAM_DATA registers and then to all TCAM_MASK registers.

Fixes: cfc14181 ("octeontx2-af: cn10k: mcs: Manage the MCS block hardware resources")
Signed-off-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarSunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarGeetha sowjanya <gakula@marvell.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent c222b292

drivers/net/ethernet/marvell/octeontx2/af/mcs.c

+4 −0
Original line number Diff line number Diff line
@@ -473,6 +473,8 @@ void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int flow_id, 
		for (reg_id = 0; reg_id < 4; reg_id++) {

			reg = MCSX_CPM_RX_SLAVE_FLOWID_TCAM_DATAX(reg_id, flow_id);

			mcs_reg_write(mcs, reg, data[reg_id]);

		}

		for (reg_id = 0; reg_id < 4; reg_id++) {

			reg = MCSX_CPM_RX_SLAVE_FLOWID_TCAM_MASKX(reg_id, flow_id);

			mcs_reg_write(mcs, reg, mask[reg_id]);

		}
@@ -480,6 +482,8 @@ void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int flow_id, 
		for (reg_id = 0; reg_id < 4; reg_id++) {

			reg = MCSX_CPM_TX_SLAVE_FLOWID_TCAM_DATAX(reg_id, flow_id);

			mcs_reg_write(mcs, reg, data[reg_id]);

		}

		for (reg_id = 0; reg_id < 4; reg_id++) {

			reg = MCSX_CPM_TX_SLAVE_FLOWID_TCAM_MASKX(reg_id, flow_id);

			mcs_reg_write(mcs, reg, mask[reg_id]);

		}