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The hardware can automatically generate pause frames when the number of free buffers drops under a certain threshold, but in order to do this, the address of the last free buffer needs to be written to a specific register for each RX queue. This has to be done in 'gfar_clean_rx_ring' which is called for each RX queue. In order not to impact performance, by adding a register write for each incoming packet, this operation is done only when the PAUSE frame transmission is enabled. Whenever the link is readjusted, this capability is turned on or off. Signed-off-by: Matei Pavaluca <matei.pavaluca@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| fs_enet | ||
| fec_main.c | ||
| fec_mpc52xx_phy.c | ||
| fec_mpc52xx.c | ||
| fec_mpc52xx.h | ||
| fec_ptp.c | ||
| fec.h | ||
| fsl_pq_mdio.c | ||
| gianfar_ethtool.c | ||
| gianfar_ptp.c | ||
| gianfar.c | ||
| gianfar.h | ||
| Kconfig | ||
| Makefile | ||
| ucc_geth_ethtool.c | ||
| ucc_geth.c | ||
| ucc_geth.h | ||
| xgmac_mdio.c | ||