enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/scsi/csiostor/csio_isr.c
..
..
@@ -474,13 +474,39 @@
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 	csio_dbg(hw, "Reduced sqsets to %d\n", hw->num_sqsets);
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 }
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+static void csio_calc_sets(struct irq_affinity *affd, unsigned int nvecs)
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+{
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+	struct csio_hw *hw = affd->priv;
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+	u8 i;
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+
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+	if (!nvecs)
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+		return;
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+
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+	if (nvecs < hw->num_pports) {
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+		affd->nr_sets = 1;
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+		affd->set_size[0] = nvecs;
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+		return;
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+	}
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+
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+	affd->nr_sets = hw->num_pports;
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+	for (i = 0; i < hw->num_pports; i++)
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+		affd->set_size[i] = nvecs / hw->num_pports;
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+}
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+
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 static int
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 csio_enable_msix(struct csio_hw *hw)
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 {
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 	int i, j, k, n, min, cnt;
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 	int extra = CSIO_EXTRA_VECS;
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 	struct csio_scsi_cpu_info *info;
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-	struct irq_affinity desc = { .pre_vectors = 2 };
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+	struct irq_affinity desc = {
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+		.pre_vectors = CSIO_EXTRA_VECS,
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+		.calc_sets = csio_calc_sets,
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+		.priv = hw,
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+	};
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+
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+	if (hw->num_pports > IRQ_AFFINITY_MAX_SETS)
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+		return -ENOSPC;
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 	min = hw->num_pports + extra;
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 	cnt = hw->num_sqsets + extra;