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Kernel: Move incoming packet buffer off the NetworkTask stack
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parent
b5c3bc6a71
commit
876323fd7a
1 changed files with 7 additions and 6 deletions
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@ -73,10 +73,13 @@ void NetworkTask_main()
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return packet_size;
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};
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size_t buffer_size = 64 * KB;
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auto buffer_region = MM.allocate_kernel_region(buffer_size, "Kernel Packet Buffer", Region::Access::Read | Region::Access::Write, false, true);
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auto buffer = (u8*)buffer_region->vaddr().get();
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kprintf("NetworkTask: Enter main loop.\n");
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for (;;) {
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u8 packet[32 * KB];
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size_t packet_size = dequeue_packet(packet, sizeof(packet));
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size_t packet_size = dequeue_packet(buffer, buffer_size);
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if (!packet_size) {
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current->wait_on(packet_wait_queue);
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continue;
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@ -85,7 +88,7 @@ void NetworkTask_main()
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kprintf("NetworkTask: Packet is too small to be an Ethernet packet! (%zu)\n", packet_size);
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continue;
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}
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auto& eth = *(const EthernetFrameHeader*)packet;
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auto& eth = *(const EthernetFrameHeader*)buffer;
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#ifdef ETHERNET_DEBUG
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kprintf("NetworkTask: From %s to %s, ether_type=%w, packet_length=%u\n",
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eth.source().to_string().characters(),
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@ -95,10 +98,8 @@ void NetworkTask_main()
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#endif
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#ifdef ETHERNET_VERY_DEBUG
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u8* data = packet;
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for (size_t i = 0; i < packet_size; i++) {
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kprintf("%b", data[i]);
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kprintf("%b", buffer[i]);
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switch (i % 16) {
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case 7:
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