*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.9"
+#define DRV_VERSION "1.10"
#define PFX DRV_NAME " "
/*
}
-/* Assign Ram Buffer allocation.
- * start and end are in units of 4k bytes
- * ram registers are in units of 64bit words
- */
-static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk)
+/* Assign Ram Buffer allocation in units of 64bit (8 bytes) */
+static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end)
{
- u32 start, end;
-
- start = startk * 4096/8;
- end = (endk * 4096/8) - 1;
+ pr_debug(PFX "q %d %#x %#x\n", q, start, end);
sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
sky2_write32(hw, RB_ADDR(q, RB_START), start);
sky2_write32(hw, RB_ADDR(q, RB_RP), start);
if (q == Q_R1 || q == Q_R2) {
- u32 space = (endk - startk) * 4096/8;
+ u32 space = end - start + 1;
u32 tp = space - space/4;
/* On receive queue's set the thresholds
sky2_mac_init(hw, port);
- /* Determine available ram buffer space (in 4K blocks).
- * Note: not sure about the FE setting below yet
- */
- if (hw->chip_id == CHIP_ID_YUKON_FE)
- ramsize = 4;
- else
- ramsize = sky2_read8(hw, B2_E_0);
+ /* Determine available ram buffer space in qwords. */
+ ramsize = sky2_read8(hw, B2_E_0) * 4096/8;
- /* Give transmitter one third (rounded up) */
- rxspace = ramsize - (ramsize + 2) / 3;
+ if (ramsize > 6*1024/8)
+ rxspace = ramsize - (ramsize + 2) / 3;
+ else
+ rxspace = ramsize / 2;
- sky2_ramset(hw, rxqaddr[port], 0, rxspace);
- sky2_ramset(hw, txqaddr[port], rxspace, ramsize);
+ sky2_ramset(hw, rxqaddr[port], 0, rxspace-1);
+ sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1);
/* Make sure SyncQ is disabled */
sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
return 0;
}
+static void inline sky2_add_filter(u8 filter[8], const u8 *addr)
+{
+ u32 bit;
+
+ bit = ether_crc(ETH_ALEN, addr) & 63;
+ filter[bit >> 3] |= 1 << (bit & 7);
+}
+
static void sky2_set_multicast(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct dev_mc_list *list = dev->mc_list;
u16 reg;
u8 filter[8];
+ int rx_pause;
+ static const u8 pause_mc_addr[ETH_ALEN] = { 0x1, 0x80, 0xc2, 0x0, 0x0, 0x1 };
+ rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH);
memset(filter, 0, sizeof(filter));
reg = gma_read16(hw, port, GM_RX_CTRL);
if (dev->flags & IFF_PROMISC) /* promiscuous */
reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
- else if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > 16) /* all multicast */
+ else if (dev->flags & IFF_ALLMULTI)
memset(filter, 0xff, sizeof(filter));
- else if (dev->mc_count == 0) /* no multicast */
+ else if (dev->mc_count == 0 && !rx_pause)
reg &= ~GM_RXCR_MCF_ENA;
else {
int i;
reg |= GM_RXCR_MCF_ENA;
- for (i = 0; list && i < dev->mc_count; i++, list = list->next) {
- u32 bit = ether_crc(ETH_ALEN, list->dmi_addr) & 0x3f;
- filter[bit / 8] |= 1 << (bit % 8);
- }
+ if (rx_pause)
+ sky2_add_filter(filter, pause_mc_addr);
+
+ for (i = 0; list && i < dev->mc_count; i++, list = list->next)
+ sky2_add_filter(filter, list->dmi_addr);
}
gma_write16(hw, port, GM_MC_ADDR_H1,
dev->poll = sky2_poll;
dev->weight = NAPI_WEIGHT;
#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = sky2_netpoll;
+ /* Network console (only works on port 0)
+ * because netpoll makes assumptions about NAPI
+ */
+ if (port == 0)
+ dev->poll_controller = sky2_netpoll;
#endif
sky2 = netdev_priv(dev);