diff options
| author |   Stefan Chulski <stefanc@marvell.com> | 2021-02-11 12:48:55 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-02-11 14:50:23 -0800 |
| commit | bf270fa3c445faee7c2ca46f862f82f88d7fec3f (patch) | |
| tree | cbbaae72aa1412ecc8187cb517d0ebe4772bb16e /drivers/net/ethernet/marvell/mvpp2/mvpp2.h | |
| parent | net: mvpp2: add FCA periodic timer configurations (diff) | |
| download | wireguard-linux-bf270fa3c445faee7c2ca46f862f82f88d7fec3f.tar.xz wireguard-linux-bf270fa3c445faee7c2ca46f862f82f88d7fec3f.zip | |
net: mvpp2: add FCA RXQ non occupied descriptor threshold
The firmware needs to monitor the RX Non-occupied descriptor
bits for flow control to move to XOFF mode.
These bits need to be unmasked to be functional, but they will
not raise interrupts as we leave the RX exception summary
bit in MVPP2_ISR_RX_TX_MASK_REG clear.
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Acked-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 9239d80e0f1f..d2cc513c39de 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -295,6 +295,8 @@ #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31) #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0 +#define MVPP2_ISR_RX_ERR_CAUSE_REG(port) (0x5520 + 4 * (port)) +#define MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK 0x00ff /* Buffer Manager registers */ #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4)) @@ -763,6 +765,7 @@ /* MSS Flow control */ #define FC_QUANTA 0xFFFF #define FC_CLK_DIVIDER 100 +#define MSS_THRESHOLD_STOP 768 /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ |