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path: root/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
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Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_axienet_main.c')
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_main.c43
1 files changed, 29 insertions, 14 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 0f4b02fe6f85..9e7fa012e4fa 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -238,11 +238,8 @@ static u32 axienet_usec_to_timer(struct axienet_local *lp, u32 coalesce_usec)
/* 1 Timeout Interval = 125 * (clock period of SG clock) */
result = DIV64_U64_ROUND_CLOSEST((u64)coalesce_usec * clk_rate,
- (u64)125000000);
- if (result > 255)
- result = 255;
-
- return result;
+ XAXIDMA_DELAY_SCALE);
+ return min(result, FIELD_MAX(XAXIDMA_DELAY_MASK));
}
/**
@@ -2056,14 +2053,31 @@ axienet_ethtools_set_coalesce(struct net_device *ndev,
return -EBUSY;
}
- if (ecoalesce->rx_max_coalesced_frames)
- lp->coalesce_count_rx = ecoalesce->rx_max_coalesced_frames;
- if (ecoalesce->rx_coalesce_usecs)
- lp->coalesce_usec_rx = ecoalesce->rx_coalesce_usecs;
- if (ecoalesce->tx_max_coalesced_frames)
- lp->coalesce_count_tx = ecoalesce->tx_max_coalesced_frames;
- if (ecoalesce->tx_coalesce_usecs)
- lp->coalesce_usec_tx = ecoalesce->tx_coalesce_usecs;
+ if (ecoalesce->rx_max_coalesced_frames > 255 ||
+ ecoalesce->tx_max_coalesced_frames > 255) {
+ NL_SET_ERR_MSG(extack, "frames must be less than 256");
+ return -EINVAL;
+ }
+
+ if (!ecoalesce->rx_max_coalesced_frames ||
+ !ecoalesce->tx_max_coalesced_frames) {
+ NL_SET_ERR_MSG(extack, "frames must be non-zero");
+ return -EINVAL;
+ }
+
+ if ((ecoalesce->rx_max_coalesced_frames > 1 &&
+ !ecoalesce->rx_coalesce_usecs) ||
+ (ecoalesce->tx_max_coalesced_frames > 1 &&
+ !ecoalesce->tx_coalesce_usecs)) {
+ NL_SET_ERR_MSG(extack,
+ "usecs must be non-zero when frames is greater than one");
+ return -EINVAL;
+ }
+
+ lp->coalesce_count_rx = ecoalesce->rx_max_coalesced_frames;
+ lp->coalesce_usec_rx = ecoalesce->rx_coalesce_usecs;
+ lp->coalesce_count_tx = ecoalesce->tx_max_coalesced_frames;
+ lp->coalesce_usec_tx = ecoalesce->tx_coalesce_usecs;
return 0;
}
@@ -2331,11 +2345,12 @@ static struct axienet_local *pcs_to_axienet_local(struct phylink_pcs *pcs)
}
static void axienet_pcs_get_state(struct phylink_pcs *pcs,
+ unsigned int neg_mode,
struct phylink_link_state *state)
{
struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
- phylink_mii_c22_pcs_get_state(pcs_phy, state);
+ phylink_mii_c22_pcs_get_state(pcs_phy, neg_mode, state);
}
static void axienet_pcs_an_restart(struct phylink_pcs *pcs)