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Differential D10385 Diff 27424 sys/dev/e1000/igb_txrx.c

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sys/dev/e1000/igb_txrx.c

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{ {
struct adapter *sc = arg; struct adapter *sc = arg;
if_softc_ctx_t scctx = sc->shared; if_softc_ctx_t scctx = sc->shared;
struct em_tx_queue *que = &sc->tx_queues[pi->ipi_qsidx]; struct em_tx_queue *que = &sc->tx_queues[pi->ipi_qsidx];
struct tx_ring *txr = &que->txr; struct tx_ring *txr = &que->txr;
int nsegs = pi->ipi_nsegs; int nsegs = pi->ipi_nsegs;
bus_dma_segment_t *segs = pi->ipi_segs; bus_dma_segment_t *segs = pi->ipi_segs;
union e1000_adv_tx_desc *txd = NULL; union e1000_adv_tx_desc *txd = NULL;
int i, j, first, pidx_last; int i, j, pidx_last;
u32 olinfo_status, cmd_type_len, txd_flags; u32 olinfo_status, cmd_type_len, txd_flags;
qidx_t ntxd; qidx_t ntxd;
pidx_last = olinfo_status = 0; pidx_last = olinfo_status = 0;
/* Basic descriptor defines */ /* Basic descriptor defines */
cmd_type_len = (E1000_ADVTXD_DTYP_DATA | cmd_type_len = (E1000_ADVTXD_DTYP_DATA |
E1000_ADVTXD_DCMD_IFCS | E1000_ADVTXD_DCMD_DEXT); E1000_ADVTXD_DCMD_IFCS | E1000_ADVTXD_DCMD_DEXT);
if (pi->ipi_mflags & M_VLANTAG) if (pi->ipi_mflags & M_VLANTAG)
cmd_type_len |= E1000_ADVTXD_DCMD_VLE; cmd_type_len |= E1000_ADVTXD_DCMD_VLE;
first = i = pi->ipi_pidx; i = pi->ipi_pidx;
ntxd = scctx->isc_ntxd[0]; ntxd = scctx->isc_ntxd[0];
txd_flags = pi->ipi_flags & IPI_TX_INTR ? E1000_ADVTXD_DCMD_RS : 0; txd_flags = pi->ipi_flags & IPI_TX_INTR ? E1000_ADVTXD_DCMD_RS : 0;
/* Consume the first descriptor */ /* Consume the first descriptor */
i += igb_tx_ctx_setup(txr, pi, &cmd_type_len, &olinfo_status); i += igb_tx_ctx_setup(txr, pi, &cmd_type_len, &olinfo_status);
if (i == scctx->isc_ntxd[0]) if (i == scctx->isc_ntxd[0])
i = 0; i = 0;
/* 82575 needs the queue index added */ /* 82575 needs the queue index added */
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