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| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2020-01-13 17:24:12 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-01-13 18:31:48 -0800 |
| commit | 58ae92814008a324fc5698fa76fcd7497207fe0f (patch) | |
| tree | ff481b3920436f53bec0f2b3dd50d0bc9e8ff353 /drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | |
| parent | 6a549b9f0dcd9a73991077da64eb3603b3e5f681 (diff) | |
| download | lwn-58ae92814008a324fc5698fa76fcd7497207fe0f.tar.gz lwn-58ae92814008a324fc5698fa76fcd7497207fe0f.zip | |
net: stmmac: gmac4+: Add TBS support
Adds all the necessary HW hooks to support TBS feature in QoS cores.
Changes from v1:
- Remove unneeded LT shift as the IP already does this.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 3e14da69f378..eff82065a501 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -10,6 +10,7 @@ #include <linux/stmmac.h> #include "common.h" +#include "dwmac4.h" #include "dwmac4_descs.h" static int dwmac4_wrback_get_tx_status(void *data, struct stmmac_extra_stats *x, @@ -505,6 +506,14 @@ static void dwmac4_set_sec_addr(struct dma_desc *p, dma_addr_t addr) p->des3 = cpu_to_le32(upper_32_bits(addr) | RDES3_BUFFER2_VALID_ADDR); } +static void dwmac4_set_tbs(struct dma_edesc *p, u32 sec, u32 nsec) +{ + p->des4 = cpu_to_le32((sec & TDES4_LT) | TDES4_LTV); + p->des5 = cpu_to_le32(nsec & TDES5_LT); + p->des6 = 0; + p->des7 = 0; +} + const struct stmmac_desc_ops dwmac4_desc_ops = { .tx_status = dwmac4_wrback_get_tx_status, .rx_status = dwmac4_wrback_get_rx_status, @@ -534,6 +543,7 @@ const struct stmmac_desc_ops dwmac4_desc_ops = { .set_vlan = dwmac4_set_vlan, .get_rx_header_len = dwmac4_get_rx_header_len, .set_sec_addr = dwmac4_set_sec_addr, + .set_tbs = dwmac4_set_tbs, }; const struct stmmac_mode_ops dwmac4_ring_mode_ops = { |